125012036 has 6 divisors (see below), whose sum is σ = 218771070. Its totient is φ = 62506016.

The previous prime is 125012023. The next prime is 125012047. The reversal of 125012036 is 630210521.

It can be written as a sum of positive squares in only one way, i.e., 89680900 + 35331136 = 9470^2 + 5944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125011999 and 125012017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15626501 + ... + 15626508.

It is an arithmetic number, because the mean of its divisors is an integer number (36461845).

Almost surely, 2^125012036 is an apocalyptic number.

It is an amenable number.

125012036 is a deficient number, since it is larger than the sum of its proper divisors (93759034).

125012036 is a wasteful number, since it uses less digits than its factorization.

125012036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31253013 (or 31253011 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 125012036 is about 11180.8781408260. The cubic root of 125012036 is about 500.0160474850.

Adding to 125012036 its reverse (630210521), we get a palindrome (755222557).

The spelling of 125012036 in words is "one hundred twenty-five million, twelve thousand, thirty-six".