125045012 has 12 divisors (see below), whose sum is σ = 219262260. Its totient is φ = 62398656.

The previous prime is 125044991. The next prime is 125045021. The reversal of 125045012 is 210540521.

It can be written as a sum of positive squares in 2 ways, for example, as 71842576 + 53202436 = 8476^2 + 7294^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28673 + ... + 32744.

It is an arithmetic number, because the mean of its divisors is an integer number (18271855).

Almost surely, 2^125045012 is an apocalyptic number.

It is an amenable number.

125045012 is a deficient number, since it is larger than the sum of its proper divisors (94217248).

125045012 is a wasteful number, since it uses less digits than its factorization.

125045012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61930 (or 61928 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 125045012 is about 11182.3527041495. The cubic root of 125045012 is about 500.0600087976.

Adding to 125045012 its reverse (210540521), we get a palindrome (335585533).

The spelling of 125045012 in words is "one hundred twenty-five million, forty-five thousand, twelve".