1117251936 has 36 divisors (see below), whose sum is σ = 3177186012. Its totient is φ = 372417216.

The previous prime is 1117251931. The next prime is 1117251959. The reversal of 1117251936 is 6391527111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1117251936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117251931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1939386 + ... + 1939961.

It is an arithmetic number, because the mean of its divisors is an integer number (88255167).

Almost surely, 2^1117251936 is an apocalyptic number.

1117251936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1117251936 is an abundant number, since it is smaller than the sum of its proper divisors (2059934076).

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

1117251936 is a wasteful number, since it uses less digits than its factorization.

1117251936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879363 (or 3879352 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 1117251936 is about 33425.3187868119. The cubic root of 1117251936 is about 1037.6487612886.

The spelling of 1117251936 in words is "one billion, one hundred seventeen million, two hundred fifty-one thousand, nine hundred thirty-six".