125431221014 has 64 divisors (see below), whose sum is σ = 208897201152. Its totient is φ = 56012774400.

The previous prime is 125431221007. The next prime is 125431221029. The reversal of 125431221014 is 410122134521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225190424 + ... + 225190980.

It is an arithmetic number, because the mean of its divisors is an integer number (3264018768).

Almost surely, 2^125431221014 is an apocalyptic number.

125431221014 is a deficient number, since it is larger than the sum of its proper divisors (83465980138).

125431221014 is a wasteful number, since it uses less digits than its factorization.

125431221014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 125431221014 its reverse (410122134521), we get a palindrome (535553355535).

The spelling of 125431221014 in words is "one hundred twenty-five billion, four hundred thirty-one million, two hundred twenty-one thousand, fourteen".