1113239000 has 32 divisors (see below), whose sum is σ = 2604981600. Its totient is φ = 445295200.

The previous prime is 1113238993. The next prime is 1113239041. The reversal of 1113239000 is 9323111.

It is a super-2 number, since 2×1113239000² = 2478602142242000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555620 + ... + 557619.

It is an arithmetic number, because the mean of its divisors is an integer number (81405675).

Almost surely, 2^1113239000 is an apocalyptic number.

1113239000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113239000 is an abundant number, since it is smaller than the sum of its proper divisors (1491742600).

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

1113239000 is a wasteful number, since it uses less digits than its factorization.

1113239000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113260 (or 1113246 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1113239000 is about 33365.2363995821. The cubic root of 1113239000 is about 1036.4049315741.

The spelling of 1113239000 in words is "one billion, one hundred thirteen million, two hundred thirty-nine thousand".