125251223039 has 16 divisors (see below), whose sum is σ = 133905229920. Its totient is φ = 116938429440.

The previous prime is 125251222997. The next prime is 125251223059. The reversal of 125251223039 is 930322152521.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125251223039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125251223059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331757 + ... + 600470.

It is an arithmetic number, because the mean of its divisors is an integer number (8369076870).

Almost surely, 2^125251223039 is an apocalyptic number.

125251223039 is a deficient number, since it is larger than the sum of its proper divisors (8654006881).

125251223039 is a wasteful number, since it uses less digits than its factorization.

125251223039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932410.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 125251223039 in words is "one hundred twenty-five billion, two hundred fifty-one million, two hundred twenty-three thousand, thirty-nine".