1117268256 has 48 divisors (see below), whose sum is σ = 3158434944. Its totient is φ = 343774464.

The previous prime is 1117268233. The next prime is 1117268261. The reversal of 1117268256 is 6528627111.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 446376 + ... + 448871.

It is an arithmetic number, because the mean of its divisors is an integer number (65800728).

Almost surely, 2^1117268256 is an apocalyptic number.

1117268256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1117268256 is an abundant number, since it is smaller than the sum of its proper divisors (2041166688).

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

1117268256 is a wasteful number, since it uses less digits than its factorization.

1117268256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895273 (or 895265 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 1117268256 is about 33425.5629122383. The cubic root of 1117268256 is about 1037.6538136690.

The spelling of 1117268256 in words is "one billion, one hundred seventeen million, two hundred sixty-eight thousand, two hundred fifty-six".