1118645171 has 8 divisors (see below), whose sum is σ = 1285146624. Its totient is φ = 953817480.

The previous prime is 1118645123. The next prime is 1118645179. The reversal of 1118645171 is 1715468111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1118645171 - 2¹⁰ = 1118644147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118645179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417005 + ... + 419678.

It is an arithmetic number, because the mean of its divisors is an integer number (160643328).

Almost surely, 2^1118645171 is an apocalyptic number.

1118645171 is a deficient number, since it is larger than the sum of its proper divisors (166501453).

1118645171 is an equidigital number, since it uses as much as digits as its factorization.

1118645171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836881.

The product of its digits is 6720, while the sum is 35.

The square root of 1118645171 is about 33446.1533064716. The cubic root of 1118645171 is about 1038.0799048852.

The spelling of 1118645171 in words is "one billion, one hundred eighteen million, six hundred forty-five thousand, one hundred seventy-one".