1268962056 has 24 divisors (see below), whose sum is σ = 3436772430. Its totient is φ = 422987328.

The previous prime is 1268962043. The next prime is 1268962073. The reversal of 1268962056 is 6502698621.

1268962056 is a `hidden beast` number, since 12 + 6 + 8 + 9 + 620 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 969325956 + 299636100 = 31134^2 + 17310^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1268962056² = 3220529399135494272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8812165 + ... + 8812308.

Almost surely, 2^1268962056 is an apocalyptic number.

It is an amenable number.

1268962056 is an abundant number, since it is smaller than the sum of its proper divisors (2167810374).

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

1268962056 is a wasteful number, since it uses less digits than its factorization.

1268962056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17624485 (or 17624478 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 1268962056 is about 35622.4936802577. The cubic root of 1268962056 is about 1082.6370332881.

The spelling of 1268962056 in words is "one billion, two hundred sixty-eight million, nine hundred sixty-two thousand, fifty-six".