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125350901 = 139642377
BaseRepresentation
bin1110111100010…
…11001111110101
322201212111002222
413132023033311
5224042212101
620234412125
73051315344
oct736131765
9281774088
10125350901
1164836a95
1235b91045
131cc7b640
141290db5b
15b01101b
hex778b3f5

125350901 has 4 divisors (see below), whose sum is σ = 134993292. Its totient is φ = 115708512.

The previous prime is 125350879. The next prime is 125350937. The reversal of 125350901 is 109053521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57304900 + 68046001 = 7570^2 + 8249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125350901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125350601) 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, 4821176 + ... + 4821201.

It is an arithmetic number, because the mean of its divisors is an integer number (33748323).

Almost surely, 2125350901 is an apocalyptic number.

It is an amenable number.

125350901 is a deficient number, since it is larger than the sum of its proper divisors (9642391).

125350901 is an equidigital number, since it uses as much as digits as its factorization.

125350901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9642390.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 125350901 is about 11196.0216595003. The cubic root of 125350901 is about 500.4674308806.

The spelling of 125350901 in words is "one hundred twenty-five million, three hundred fifty thousand, nine hundred one".

Divisors: 1 13 9642377 125350901