1120991210 has 32 divisors (see below), whose sum is σ = 2030579712. Its totient is φ = 445564800.

The previous prime is 1120991191. The next prime is 1120991213. The reversal of 1120991210 is 121990211.

It is a self number, because there is not a number n which added to its sum of digits gives 1120991210.

It is not an unprimeable number, because it can be changed into a prime (1120991213) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1864910 + ... + 1865510.

It is an arithmetic number, because the mean of its divisors is an integer number (63455616).

Almost surely, 2^1120991210 is an apocalyptic number.

1120991210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1120991210 is a deficient number, since it is larger than the sum of its proper divisors (909588502).

1120991210 is a wasteful number, since it uses less digits than its factorization.

1120991210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 1120991210 is about 33481.2068181540. The cubic root of 1120991210 is about 1038.8050902802.

Subtracting from 1120991210 its reverse (121990211), we obtain a palindrome (999000999).

The spelling of 1120991210 in words is "one billion, one hundred twenty million, nine hundred ninety-one thousand, two hundred ten".