126879599 has 16 divisors (see below), whose sum is σ = 158443776. Its totient is φ = 98707200.

The previous prime is 126879583. The next prime is 126879601. The reversal of 126879599 is 995978621.

It is a cyclic number.

It is not a de Polignac number, because 126879599 - 2⁴ = 126879583 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 (126879539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73919 + ... + 75615.

It is an arithmetic number, because the mean of its divisors is an integer number (9902736).

Almost surely, 2^126879599 is an apocalyptic number.

126879599 is a deficient number, since it is larger than the sum of its proper divisors (31564177).

126879599 is a wasteful number, since it uses less digits than its factorization.

126879599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686.

The product of its digits is 2449440, while the sum is 56.

The square root of 126879599 is about 11264.0844723395. The cubic root of 126879599 is about 502.4936744994.

The spelling of 126879599 in words is "one hundred twenty-six million, eight hundred seventy-nine thousand, five hundred ninety-nine".