125744722 has 16 divisors (see below), whose sum is σ = 194016600. Its totient is φ = 61077888.

The previous prime is 125744713. The next prime is 125744737. The reversal of 125744722 is 227447521.

It can be written as a sum of positive squares in 4 ways, for example, as 110229001 + 15515721 = 10499^2 + 3939^2 .

It is a super-2 number, since 2×125744722² = 31623470221714568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80404 + ... + 81952.

Almost surely, 2^125744722 is an apocalyptic number.

125744722 is a deficient number, since it is larger than the sum of its proper divisors (68271878).

125744722 is a wasteful number, since it uses less digits than its factorization.

125744722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685.

The product of its digits is 31360, while the sum is 34.

The square root of 125744722 is about 11213.5954091451. The cubic root of 125744722 is about 500.9909972180.

The spelling of 125744722 in words is "one hundred twenty-five million, seven hundred forty-four thousand, seven hundred twenty-two".