1133112990 has 16 divisors (see below), whose sum is σ = 2719471248. Its totient is φ = 302163456.

The previous prime is 1133112979. The next prime is 1133113021. The reversal of 1133112990 is 992113311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 37770433 = 1133112990 / (1 + 1 + 3 + 3 + 1 + 1 + 2 + 9 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18885187 + ... + 18885246.

It is an arithmetic number, because the mean of its divisors is an integer number (169966953).

Almost surely, 2^1133112990 is an apocalyptic number.

1133112990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1133112990 is an abundant number, since it is smaller than the sum of its proper divisors (1586358258).

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

1133112990 is a wasteful number, since it uses less digits than its factorization.

1133112990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37770443.

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 1133112990 is about 33661.7437159753. The cubic root of 1133112990 is about 1042.5360292110.

The spelling of 1133112990 in words is "one billion, one hundred thirty-three million, one hundred twelve thousand, nine hundred ninety".