125637552 has 60 divisors (see below), whose sum is σ = 357399744. Its totient is φ = 41189760.

The previous prime is 125637539. The next prime is 125637559. The reversal of 125637552 is 255736521.

125637552 is a `hidden beast` number, since 12 + 5 + 637 + 5 + 5 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (125637559) 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, 1633 + ... + 15935.

Almost surely, 2^125637552 is an apocalyptic number.

125637552 is a gapful number since it is divisible by the number (12) 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 125637552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178699872).

125637552 is an abundant number, since it is smaller than the sum of its proper divisors (231762192).

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

125637552 is a wasteful number, since it uses less digits than its factorization.

125637552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14378 (or 14369 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 125637552 is about 11208.8158161333. The cubic root of 125637552 is about 500.8486281789.

The spelling of 125637552 in words is "one hundred twenty-five million, six hundred thirty-seven thousand, five hundred fifty-two".