125020620 has 36 divisors (see below), whose sum is σ = 379229760. Its totient is φ = 33338784.

The previous prime is 125020607. The next prime is 125020633. The reversal of 125020620 is 26020521.

125020620 is a `hidden beast` number, since 1 + 25 + 0 + 20 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (125020607) and next prime (125020633).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 125020593 and 125020602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347100 + ... + 347459.

It is an arithmetic number, because the mean of its divisors is an integer number (10534160).

Almost surely, 2^125020620 is an apocalyptic number.

125020620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125020620 is an abundant number, since it is smaller than the sum of its proper divisors (254209140).

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

125020620 is a wasteful number, since it uses less digits than its factorization.

125020620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694574 (or 694569 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 125020620 is about 11181.2620039064. The cubic root of 125020620 is about 500.0274918217.

Subtracting from 125020620 its reverse (26020521), we obtain a palindrome (99000099).

The spelling of 125020620 in words is "one hundred twenty-five million, twenty thousand, six hundred twenty".