1126979656 has 16 divisors (see below), whose sum is σ = 2305185840. Its totient is φ = 512263440.

The previous prime is 1126979629. The next prime is 1126979683. The reversal of 1126979656 is 6569796211.

It is an interprime number because it is at equal distance from previous prime (1126979629) and next prime (1126979683).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6403206 + ... + 6403381.

It is an arithmetic number, because the mean of its divisors is an integer number (144074115).

Almost surely, 2^1126979656 is an apocalyptic number.

It is an amenable number.

1126979656 is an abundant number, since it is smaller than the sum of its proper divisors (1178206184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1126979656 is a wasteful number, since it uses less digits than its factorization.

1126979656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12806604 (or 12806600 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 52.

The square root of 1126979656 is about 33570.5176605902. The cubic root of 1126979656 is about 1040.6516059546.

The spelling of 1126979656 in words is "one billion, one hundred twenty-six million, nine hundred seventy-nine thousand, six hundred fifty-six".