1117167172 has 24 divisors (see below), whose sum is σ = 2258232480. Its totient is φ = 477932160.

The previous prime is 1117167169. The next prime is 1117167209. The reversal of 1117167172 is 2717617111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

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 7 ways as a sum of consecutive naturals, for example, 746022 + ... + 747517.

It is an arithmetic number, because the mean of its divisors is an integer number (94093020).

Almost surely, 2^1117167172 is an apocalyptic number.

It is an amenable number.

1117167172 is an abundant number, since it is smaller than the sum of its proper divisors (1141065308).

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

1117167172 is a wasteful number, since it uses less digits than its factorization.

1117167172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493571 (or 1493569 counting only the distinct ones).

The product of its digits is 4116, while the sum is 34.

The square root of 1117167172 is about 33424.0508017804. The cubic root of 1117167172 is about 1037.6225190773.

The spelling of 1117167172 in words is "one billion, one hundred seventeen million, one hundred sixty-seven thousand, one hundred seventy-two".