1268100956 has 6 divisors (see below), whose sum is σ = 2219176680. Its totient is φ = 634050476.

The previous prime is 1268100943. The next prime is 1268100959. The reversal of 1268100956 is 6590018621.

It is a super-2 number, since 2×1268100956² = 3216160069216227872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268100959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158512616 + ... + 158512623.

It is an arithmetic number, because the mean of its divisors is an integer number (369862780).

Almost surely, 2^1268100956 is an apocalyptic number.

It is an amenable number.

1268100956 is a deficient number, since it is larger than the sum of its proper divisors (951075724).

1268100956 is a wasteful number, since it uses less digits than its factorization.

1268100956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317025243 (or 317025241 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 1268100956 is about 35610.4051647829. The cubic root of 1268100956 is about 1082.3920903977.

The spelling of 1268100956 in words is "one billion, two hundred sixty-eight million, one hundred thousand, nine hundred fifty-six".