125974998 has 24 divisors (see below), whose sum is σ = 289002168. Its totient is φ = 39521472.

The previous prime is 125974991. The next prime is 125975021. The reversal of 125974998 is 899479521.

125974998 is a `hidden beast` number, since 1 + 2 + 597 + 49 + 9 + 8 = 666.

It is a super-2 number, since 2×125974998² = 31739400242200008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125974991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205536 + ... + 206147.

It is an arithmetic number, because the mean of its divisors is an integer number (12041757).

Almost surely, 2^125974998 is an apocalyptic number.

125974998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

125974998 is an abundant number, since it is smaller than the sum of its proper divisors (163027170).

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

125974998 is a wasteful number, since it uses less digits than its factorization.

125974998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411708 (or 411705 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 125974998 is about 11223.8584274749. The cubic root of 125974998 is about 501.2966319180.

The spelling of 125974998 in words is "one hundred twenty-five million, nine hundred seventy-four thousand, nine hundred ninety-eight".