126963656 has 16 divisors (see below), whose sum is σ = 238781040. Its totient is φ = 63288720.

The previous prime is 126963637. The next prime is 126963677. The reversal of 126963656 is 656369621.

It is a super-2 number, since 2×126963656² = 32239539889772672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21326 + ... + 26621.

It is an arithmetic number, because the mean of its divisors is an integer number (14923815).

Almost surely, 2^126963656 is an apocalyptic number.

It is an amenable number.

126963656 is a deficient number, since it is larger than the sum of its proper divisors (111817384).

126963656 is a wasteful number, since it uses less digits than its factorization.

126963656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48284 (or 48280 counting only the distinct ones).

The product of its digits is 349920, while the sum is 44.

The square root of 126963656 is about 11267.8150499553. The cubic root of 126963656 is about 502.6046163872.

The spelling of 126963656 in words is "one hundred twenty-six million, nine hundred sixty-three thousand, six hundred fifty-six".