126499074739 has 8 divisors (see below), whose sum is σ = 128561486688. Its totient is φ = 124444461120.

The previous prime is 126499074727. The next prime is 126499074743. The reversal of 126499074739 is 937470994621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126499074739 - 2²⁹ = 125962203827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126499074719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1916872 + ... + 1981765.

It is an arithmetic number, because the mean of its divisors is an integer number (16070185836).

Almost surely, 2^126499074739 is an apocalyptic number.

126499074739 is a deficient number, since it is larger than the sum of its proper divisors (2062411949).

126499074739 is an equidigital number, since it uses as much as digits as its factorization.

126499074739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899165.

The product of its (nonzero) digits is 20575296, while the sum is 61.

The spelling of 126499074739 in words is "one hundred twenty-six billion, four hundred ninety-nine million, seventy-four thousand, seven hundred thirty-nine".