126413879 has 4 divisors (see below), whose sum is σ = 129103584. Its totient is φ = 123724176.

The previous prime is 126413869. The next prime is 126413893. The reversal of 126413879 is 978314621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126413879 - 2⁴ = 126413863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126413849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344782 + ... + 1344875.

It is an arithmetic number, because the mean of its divisors is an integer number (32275896).

Almost surely, 2^126413879 is an apocalyptic number.

126413879 is a deficient number, since it is larger than the sum of its proper divisors (2689705).

126413879 is an equidigital number, since it uses as much as digits as its factorization.

126413879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689704.

The product of its digits is 72576, while the sum is 41.

The square root of 126413879 is about 11243.3926819266. The cubic root of 126413879 is about 501.8781085834.

The spelling of 126413879 in words is "one hundred twenty-six million, four hundred thirteen thousand, eight hundred seventy-nine".