125530624 has 20 divisors (see below), whose sum is σ = 250817094. Its totient is φ = 62765056.

The previous prime is 125530621. The next prime is 125530637. The reversal of 125530624 is 426035521.

It can be written as a sum of positive squares in only one way, i.e., 78854400 + 46676224 = 8880^2 + 6832^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 125530592 and 125530601.

It is not an unprimeable number, because it can be changed into a prime (125530621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122077 + ... + 123100.

Almost surely, 2^125530624 is an apocalyptic number.

It is an amenable number.

125530624 is a deficient number, since it is larger than the sum of its proper divisors (125286470).

125530624 is an frugal number, since it uses more digits than its factorization.

125530624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245195 (or 245179 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 125530624 is about 11204.0449838440. The cubic root of 125530624 is about 500.7064999122.

The spelling of 125530624 in words is "one hundred twenty-five million, five hundred thirty thousand, six hundred twenty-four".