125217396 has 18 divisors (see below), whose sum is σ = 316521842. Its totient is φ = 41739120.

The previous prime is 125217383. The next prime is 125217413. The reversal of 125217396 is 693712521.

125217396 is a `hidden beast` number, since 1 + 252 + 17 + 396 = 666.

It can be written as a sum of positive squares in only one way, i.e., 125216100 + 1296 = 11190^2 + 36^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×125217396² = 31358792522041632, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3478261 = 125217396 / (1 + 2 + 5 + 2 + 1 + 7 + 3 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 125217396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1739095 + ... + 1739166.

Almost surely, 2^125217396 is an apocalyptic number.

It is an amenable number.

125217396 is an abundant number, since it is smaller than the sum of its proper divisors (191304446).

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

125217396 is a wasteful number, since it uses less digits than its factorization.

125217396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478271 (or 3478266 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 125217396 is about 11190.0579086973. The cubic root of 125217396 is about 500.2896934563.

The spelling of 125217396 in words is "one hundred twenty-five million, two hundred seventeen thousand, three hundred ninety-six".