125344656 has 120 divisors (see below), whose sum is σ = 371095296. Its totient is φ = 39432960.

The previous prime is 125344649. The next prime is 125344669. The reversal of 125344656 is 656443521.

It is a super-2 number, since 2×125344656² = 31422565575516672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 125344656.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191626 + ... + 192278.

Almost surely, 2^125344656 is an apocalyptic number.

125344656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125344656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185547648).

125344656 is an abundant number, since it is smaller than the sum of its proper divisors (245750640).

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

125344656 is a wasteful number, since it uses less digits than its factorization.

125344656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 732 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 125344656 is about 11195.7427623182. The cubic root of 125344656 is about 500.4591196226.

The spelling of 125344656 in words is "one hundred twenty-five million, three hundred forty-four thousand, six hundred fifty-six".