126076691 has 16 divisors (see below), whose sum is σ = 138949440. Its totient is φ = 113685120.

The previous prime is 126076667. The next prime is 126076693. The reversal of 126076691 is 196670621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126076691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126076693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136730 + ... + 137648.

It is an arithmetic number, because the mean of its divisors is an integer number (8684340).

Almost surely, 2^126076691 is an apocalyptic number.

126076691 is a deficient number, since it is larger than the sum of its proper divisors (12872749).

126076691 is a wasteful number, since it uses less digits than its factorization.

126076691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 126076691 is about 11228.3877293225. The cubic root of 126076691 is about 501.4314857858.

The spelling of 126076691 in words is "one hundred twenty-six million, seventy-six thousand, six hundred ninety-one".