126372879 has 28 divisors (see below), whose sum is σ = 197736816. Its totient is φ = 80574912.

The previous prime is 126372859. The next prime is 126372881. The reversal of 126372879 is 978273621.

126372879 is a `hidden beast` number, since 1 + 2 + 637 + 2 + 8 + 7 + 9 = 666.

It is not a de Polignac number, because 126372879 - 2⁵ = 126372847 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126372859) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 12999 + ... + 20535.

Almost surely, 2^126372879 is an apocalyptic number.

126372879 is a deficient number, since it is larger than the sum of its proper divisors (71363937).

126372879 is an frugal number, since it uses more digits than its factorization.

126372879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7578 (or 7563 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 126372879 is about 11241.5692409912. The cubic root of 126372879 is about 501.8238444272.

The spelling of 126372879 in words is "one hundred twenty-six million, three hundred seventy-two thousand, eight hundred seventy-nine".