1109920902 has 16 divisors (see below), whose sum is σ = 2271466560. Its totient is φ = 361369512.

The previous prime is 1109920901. The next prime is 1109920907. The reversal of 1109920902 is 2090299011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109920901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2150752 + ... + 2151267.

It is an arithmetic number, because the mean of its divisors is an integer number (141966660).

Almost surely, 2^1109920902 is an apocalyptic number.

1109920902 is an abundant number, since it is smaller than the sum of its proper divisors (1161545658).

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

1109920902 is a wasteful number, since it uses less digits than its factorization.

1109920902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302067.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 1109920902 is about 33315.4754130869. The cubic root of 1109920902 is about 1035.3742108778.

The spelling of 1109920902 in words is "one billion, one hundred nine million, nine hundred twenty thousand, nine hundred two".