1017118272 has 28 divisors (see below), whose sum is σ = 2691125936. Its totient is φ = 339039360.

The previous prime is 1017118237. The next prime is 1017118273. The reversal of 1017118272 is 2728117101.

It is not an unprimeable number, because it can be changed into a prime (1017118273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2648554 + ... + 2648937.

Almost surely, 2^1017118272 is an apocalyptic number.

1017118272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1017118272 is an abundant number, since it is smaller than the sum of its proper divisors (1674007664).

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

1017118272 is an equidigital number, since it uses as much as digits as its factorization.

1017118272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5297506 (or 5297496 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 30.

The square root of 1017118272 is about 31892.2917332700. The cubic root of 1017118272 is about 1005.6738373515.

The spelling of 1017118272 in words is "one billion, seventeen million, one hundred eighteen thousand, two hundred seventy-two".