125269144722 has 18 divisors (see below), whose sum is σ = 271419733767. Its totient is φ = 41755881036.

The previous prime is 125269144687. The next prime is 125269144729. The reversal of 125269144722 is 227441962521.

125269144722 is a `hidden beast` number, since 12 + 526 + 9 + 1 + 44 + 72 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 62634572361 + 62634572361 = 250269^2 + 250269^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=250269.

It is not an unprimeable number, because it can be changed into a prime (125269144729) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1459903 + ... + 1543325.

Almost surely, 2^125269144722 is an apocalyptic number.

125269144722 is an abundant number, since it is smaller than the sum of its proper divisors (146150589045).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125269144722 is an frugal number, since it uses more digits than its factorization.

125269144722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166854 (or 83428 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 125269144722 in words is "one hundred twenty-five billion, two hundred sixty-nine million, one hundred forty-four thousand, seven hundred twenty-two".