126391118 has 16 divisors (see below), whose sum is σ = 226091520. Its totient is φ = 51812376.

The previous prime is 126391099. The next prime is 126391121. The reversal of 126391118 is 811193621.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 195938 + ... + 196581.

It is an arithmetic number, because the mean of its divisors is an integer number (14130720).

Almost surely, 2^126391118 is an apocalyptic number.

126391118 is a deficient number, since it is larger than the sum of its proper divisors (99700402).

126391118 is a wasteful number, since it uses less digits than its factorization.

126391118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392551.

The product of its digits is 2592, while the sum is 32.

The square root of 126391118 is about 11242.3804418815. The cubic root of 126391118 is about 501.8479854847.

The spelling of 126391118 in words is "one hundred twenty-six million, three hundred ninety-one thousand, one hundred eighteen".