125747400 has 48 divisors (see below), whose sum is σ = 389818800. Its totient is φ = 33532480.

The previous prime is 125747327. The next prime is 125747441. The reversal of 125747400 is 4747521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104190 + ... + 105389.

It is an arithmetic number, because the mean of its divisors is an integer number (8121225).

Almost surely, 2^125747400 is an apocalyptic number.

125747400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125747400 is an abundant number, since it is smaller than the sum of its proper divisors (264071400).

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

125747400 is a wasteful number, since it uses less digits than its factorization.

125747400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209598 (or 209589 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 125747400 is about 11213.7148171335. The cubic root of 125747400 is about 500.9945537474.

The spelling of 125747400 in words is "one hundred twenty-five million, seven hundred forty-seven thousand, four hundred".