126492657 has 8 divisors (see below), whose sum is σ = 169070880. Its totient is φ = 84121440.

The previous prime is 126492649. The next prime is 126492661. The reversal of 126492657 is 756294621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126492657 - 2³ = 126492649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126491657) 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, 50319 + ... + 52772.

It is an arithmetic number, because the mean of its divisors is an integer number (21133860).

Almost surely, 2^126492657 is an apocalyptic number.

It is an amenable number.

126492657 is a deficient number, since it is larger than the sum of its proper divisors (42578223).

126492657 is a wasteful number, since it uses less digits than its factorization.

126492657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103503.

The product of its digits is 181440, while the sum is 42.

The square root of 126492657 is about 11246.8954382976. The cubic root of 126492657 is about 501.9823396061.

The spelling of 126492657 in words is "one hundred twenty-six million, four hundred ninety-two thousand, six hundred fifty-seven".