126656242 has 16 divisors (see below), whose sum is σ = 204636960. Its totient is φ = 58599072.

The previous prime is 126656207. The next prime is 126656263. The reversal of 126656242 is 242656621.

It is a junction number, because it is equal to n+sod(n) for n = 126656198 and 126656207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37123 + ... + 40390.

It is an arithmetic number, because the mean of its divisors is an integer number (12789810).

Almost surely, 2^126656242 is an apocalyptic number.

126656242 is a deficient number, since it is larger than the sum of its proper divisors (77980718).

126656242 is a wasteful number, since it uses less digits than its factorization.

126656242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77577.

The product of its digits is 34560, while the sum is 34.

The square root of 126656242 is about 11254.1655399234. The cubic root of 126656242 is about 502.1986404559.

The spelling of 126656242 in words is "one hundred twenty-six million, six hundred fifty-six thousand, two hundred forty-two".