126916761 has 8 divisors (see below), whose sum is σ = 169292160. Its totient is φ = 84576272.

The previous prime is 126916753. The next prime is 126916763. The reversal of 126916761 is 167619621.

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 126916761 - 2³ = 126916753 is a prime.

It is a super-2 number, since 2×126916761² = 32215728445462242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126916763) 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, 1456 + ... + 15998.

It is an arithmetic number, because the mean of its divisors is an integer number (21161520).

Almost surely, 2^126916761 is an apocalyptic number.

It is an amenable number.

126916761 is a deficient number, since it is larger than the sum of its proper divisors (42375399).

126916761 is a wasteful number, since it uses less digits than its factorization.

126916761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17455.

The product of its digits is 27216, while the sum is 39.

The square root of 126916761 is about 11265.7339308187. The cubic root of 126916761 is about 502.5427284772.

The spelling of 126916761 in words is "one hundred twenty-six million, nine hundred sixteen thousand, seven hundred sixty-one".