125231106722 has 18 divisors (see below), whose sum is σ = 193089362193. Its totient is φ = 60914232792.

The previous prime is 125231106683. The next prime is 125231106731. The reversal of 125231106722 is 227601132521.

It can be written as a sum of positive squares in 2 ways, for example, as 101035615321 + 24195491401 = 317861^2 + 155549^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=250231.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18513713 + ... + 18520475.

Almost surely, 2^125231106722 is an apocalyptic number.

125231106722 is a deficient number, since it is larger than the sum of its proper divisors (67858255471).

125231106722 is an frugal number, since it uses more digits than its factorization.

125231106722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13602 (or 6802 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

Multiplying 125231106722 by its sum of digits (32), we get a square (4007395415104 = 2001848²).

The spelling of 125231106722 in words is "one hundred twenty-five billion, two hundred thirty-one million, one hundred six thousand, seven hundred twenty-two".