126373972 has 12 divisors (see below), whose sum is σ = 226548756. Its totient is φ = 61645760.

The previous prime is 126373969. The next prime is 126373999. The reversal of 126373972 is 279373621.

It can be written as a sum of positive squares in 2 ways, for example, as 71673156 + 54700816 = 8466^2 + 7396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385123 + ... + 385450.

It is an arithmetic number, because the mean of its divisors is an integer number (18879063).

Almost surely, 2^126373972 is an apocalyptic number.

It is an amenable number.

126373972 is a deficient number, since it is larger than the sum of its proper divisors (100174784).

126373972 is a wasteful number, since it uses less digits than its factorization.

126373972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770618 (or 770616 counting only the distinct ones).

The product of its digits is 95256, while the sum is 40.

The square root of 126373972 is about 11241.6178550954. The cubic root of 126373972 is about 501.8252911825.

The spelling of 126373972 in words is "one hundred twenty-six million, three hundred seventy-three thousand, nine hundred seventy-two".