126461979 has 20 divisors (see below), whose sum is σ = 215900784. Its totient is φ = 72263664.

The previous prime is 126461971. The next prime is 126461987. The reversal of 126461979 is 979164621.

126461979 is a `hidden beast` number, since 1 + 26 + 4 + 619 + 7 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (126461971) and next prime (126461987).

It is not a de Polignac number, because 126461979 - 2³ = 126461971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126461971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 110952 + ... + 112085.

Almost surely, 2^126461979 is an apocalyptic number.

126461979 is a deficient number, since it is larger than the sum of its proper divisors (89438805).

126461979 is an equidigital number, since it uses as much as digits as its factorization.

126461979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223056 (or 223047 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 126461979 is about 11245.5315125609. The cubic root of 126461979 is about 501.9417547487.

The spelling of 126461979 in words is "one hundred twenty-six million, four hundred sixty-one thousand, nine hundred seventy-nine".