125498723958 has 36 divisors (see below), whose sum is σ = 275003754948. Its totient is φ = 41362828320.

The previous prime is 125498723953. The next prime is 125498723963. The reversal of 125498723958 is 859327894521.

125498723958 is a `hidden beast` number, since 1 + 2 + 549 + 8 + 7 + 2 + 39 + 58 = 666.

It is an interprime number because it is at equal distance from previous prime (125498723953) and next prime (125498723963).

It is a junction number, because it is equal to n+sod(n) for n = 125498723895 and 125498723904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125498723951) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 297528 + ... + 582683.

It is an arithmetic number, because the mean of its divisors is an integer number (7638993193).

Almost surely, 2^125498723958 is an apocalyptic number.

125498723958 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

125498723958 is an abundant number, since it is smaller than the sum of its proper divisors (149505030990).

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

125498723958 is an equidigital number, since it uses as much as digits as its factorization.

125498723958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880397 (or 880305 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 125498723958 in words is "one hundred twenty-five billion, four hundred ninety-eight million, seven hundred twenty-three thousand, nine hundred fifty-eight".