126268779 has 32 divisors (see below), whose sum is σ = 207821824. Its totient is φ = 66407040.

The previous prime is 126268771. The next prime is 126268783. The reversal of 126268779 is 977862621.

It is not a de Polignac number, because 126268779 - 2³ = 126268771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126268771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171897 + ... + 172629.

It is an arithmetic number, because the mean of its divisors is an integer number (6494432).

Almost surely, 2^126268779 is an apocalyptic number.

126268779 is a deficient number, since it is larger than the sum of its proper divisors (81553045).

126268779 is a wasteful number, since it uses less digits than its factorization.

126268779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387.

The product of its digits is 508032, while the sum is 48.

The square root of 126268779 is about 11236.9381505818. The cubic root of 126268779 is about 501.6860136589.

The spelling of 126268779 in words is "one hundred twenty-six million, two hundred sixty-eight thousand, seven hundred seventy-nine".