126945707 has 16 divisors (see below), whose sum is σ = 153853440. Its totient is φ = 102316608.

The previous prime is 126945703. The next prime is 126945727. The reversal of 126945707 is 707549621.

It is a cyclic number.

It is not a de Polignac number, because 126945707 - 2² = 126945703 is a prime.

It is a super-2 number, since 2×126945707² = 32230425051459698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126945703) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14738 + ... + 21704.

It is an arithmetic number, because the mean of its divisors is an integer number (9615840).

Almost surely, 2^126945707 is an apocalyptic number.

126945707 is a deficient number, since it is larger than the sum of its proper divisors (26907733).

126945707 is a wasteful number, since it uses less digits than its factorization.

126945707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 126945707 is about 11267.0185497318. The cubic root of 126945707 is about 502.5809306709.

The spelling of 126945707 in words is "one hundred twenty-six million, nine hundred forty-five thousand, seven hundred seven".