125638700 has 36 divisors (see below), whose sum is σ = 297423672. Its totient is φ = 45686400.

The previous prime is 125638657. The next prime is 125638703. The reversal of 125638700 is 7836521.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (125638703) 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, 56009 + ... + 58208.

Almost surely, 2^125638700 is an apocalyptic number.

125638700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125638700 is an abundant number, since it is smaller than the sum of its proper divisors (171784972).

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

125638700 is a wasteful number, since it uses less digits than its factorization.

125638700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114242 (or 114235 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 125638700 is about 11208.8670257078. The cubic root of 125638700 is about 500.8501536582.

The spelling of 125638700 in words is "one hundred twenty-five million, six hundred thirty-eight thousand, seven hundred".