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125310620 = 2256265531
BaseRepresentation
bin1110111100000…
…01011010011100
322201210102212002
413132001122130
5224034414440
620233501432
73051060041
oct736013234
9281712762
10125310620
11648097a6
1235b71878
131cc661c6
14128dd1c8
15b004115
hex778169c

125310620 has 12 divisors (see below), whose sum is σ = 263152344. Its totient is φ = 50124240.

The previous prime is 125310617. The next prime is 125310623. The reversal of 125310620 is 26013521.

It is an interprime number because it is at equal distance from previous prime (125310617) and next prime (125310623).

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6265531 = 125310620 / (1 + 2 + 5 + 3 + 1 + 0 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 125310592 and 125310601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125310623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3132746 + ... + 3132785.

It is an arithmetic number, because the mean of its divisors is an integer number (21929362).

Almost surely, 2125310620 is an apocalyptic number.

125310620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125310620 is an abundant number, since it is smaller than the sum of its proper divisors (137841724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125310620 is a wasteful number, since it uses less digits than its factorization.

125310620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6265540 (or 6265538 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 125310620 is about 11194.2226170467. Note that the first 3 decimals coincide. The cubic root of 125310620 is about 500.4138174158.

The spelling of 125310620 in words is "one hundred twenty-five million, three hundred ten thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 6265531 12531062 25062124 31327655 62655310 125310620