1133000999 has 16 divisors (see below), whose sum is σ = 1277455872. Its totient is φ = 997036128.

The previous prime is 1133000987. The next prime is 1133001017. The reversal of 1133000999 is 9990003311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1133000999 - 2⁴ = 1133000983 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133000959) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 85622 + ... + 97964.

It is an arithmetic number, because the mean of its divisors is an integer number (79840992).

Almost surely, 2^1133000999 is an apocalyptic number.

1133000999 is a deficient number, since it is larger than the sum of its proper divisors (144454873).

1133000999 is a wasteful number, since it uses less digits than its factorization.

1133000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12686.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 1133000999 is about 33660.0801989538. The cubic root of 1133000999 is about 1042.5016817981.

The spelling of 1133000999 in words is "one billion, one hundred thirty-three million, nine hundred ninety-nine", and thus it is an aban number.