1120991013 has 12 divisors (see below), whose sum is σ = 1704431040. Its totient is φ = 707994216.

The previous prime is 1120991009. The next prime is 1120991029. The reversal of 1120991013 is 3101990211.

It is not a de Polignac number, because 1120991013 - 2² = 1120991009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120991063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3277581 + ... + 3277922.

It is an arithmetic number, because the mean of its divisors is an integer number (142035920).

Almost surely, 2^1120991013 is an apocalyptic number.

It is an amenable number.

1120991013 is a deficient number, since it is larger than the sum of its proper divisors (583440027).

1120991013 is a wasteful number, since it uses less digits than its factorization.

1120991013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555528 (or 6555525 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

The square root of 1120991013 is about 33481.2038762049. The cubic root of 1120991013 is about 1038.8050294279.

The spelling of 1120991013 in words is "one billion, one hundred twenty million, nine hundred ninety-one thousand, thirteen".