126996918 has 16 divisors (see below), whose sum is σ = 254133696. Its totient is φ = 42309000.

The previous prime is 126996917. The next prime is 126996941. The reversal of 126996918 is 819699621.

It is a super-2 number, since 2×126996918² = 32256434362997448, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126996911) 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, 8805 + ... + 18207.

It is an arithmetic number, because the mean of its divisors is an integer number (15883356).

Almost surely, 2^126996918 is an apocalyptic number.

126996918 is an abundant number, since it is smaller than the sum of its proper divisors (127136778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126996918 is a wasteful number, since it uses less digits than its factorization.

126996918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11659.

The product of its digits is 419904, while the sum is 51.

The square root of 126996918 is about 11269.2909271169. The cubic root of 126996918 is about 502.6485034218.

The spelling of 126996918 in words is "one hundred twenty-six million, nine hundred ninety-six thousand, nine hundred eighteen".