1169891120 has 40 divisors (see below), whose sum is σ = 2731328160. Its totient is φ = 466007040.

The previous prime is 1169891083. The next prime is 1169891143. The reversal of 1169891120 is 211989611.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11060 + ... + 49619.

It is an arithmetic number, because the mean of its divisors is an integer number (68283204).

Almost surely, 2^1169891120 is an apocalyptic number.

1169891120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1169891120 is an abundant number, since it is smaller than the sum of its proper divisors (1561437040).

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

1169891120 is a wasteful number, since it uses less digits than its factorization.

1169891120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60933 (or 60927 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 38.

The square root of 1169891120 is about 34203.6711479923. The cubic root of 1169891120 is about 1053.6955554256.

The spelling of 1169891120 in words is "one billion, one hundred sixty-nine million, eight hundred ninety-one thousand, one hundred twenty".