125204444031 has 16 divisors (see below), whose sum is σ = 167622991200. Its totient is φ = 83128055808.

The previous prime is 125204444011. The next prime is 125204444033. The reversal of 125204444031 is 130444402521.

It is not a de Polignac number, because 125204444031 - 2⁵ = 125204443999 is a prime.

It is a super-2 number, since 2×125204444031² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125204444031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125204444033) 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, 1733815 + ... + 1804583.

It is an arithmetic number, because the mean of its divisors is an integer number (10476436950).

Almost surely, 2^125204444031 is an apocalyptic number.

125204444031 is a deficient number, since it is larger than the sum of its proper divisors (42418547169).

125204444031 is a wasteful number, since it uses less digits than its factorization.

125204444031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73178.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 125204444031 its reverse (130444402521), we get a palindrome (255648846552).

The spelling of 125204444031 in words is "one hundred twenty-five billion, two hundred four million, four hundred forty-four thousand, thirty-one".