1117473012 has 36 divisors (see below), whose sum is σ = 2860486720. Its totient is φ = 367774992.

The previous prime is 1117472981. The next prime is 1117473017. The reversal of 1117473012 is 2103747111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117473017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193618 + ... + 199305.

Almost surely, 2^1117473012 is an apocalyptic number.

1117473012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1117473012 is an abundant number, since it is smaller than the sum of its proper divisors (1743013708).

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

1117473012 is a wasteful number, since it uses less digits than its factorization.

1117473012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393012 (or 393007 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 1117473012 is about 33428.6256373187. The cubic root of 1117473012 is about 1037.7171982874.

The spelling of 1117473012 in words is "one billion, one hundred seventeen million, four hundred seventy-three thousand, twelve".