1169255980 has 24 divisors (see below), whose sum is σ = 2474777088. Its totient is φ = 464018688.

The previous prime is 1169255963. The next prime is 1169255993. The reversal of 1169255980 is 895529611.

It is a self number, because there is not a number n which added to its sum of digits gives 1169255980.

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, 227629 + ... + 232708.

It is an arithmetic number, because the mean of its divisors is an integer number (103115712).

Almost surely, 2^1169255980 is an apocalyptic number.

1169255980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1169255980 is an abundant number, since it is smaller than the sum of its proper divisors (1305521108).

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

1169255980 is a wasteful number, since it uses less digits than its factorization.

1169255980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460473 (or 460471 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 46.

The square root of 1169255980 is about 34194.3852116104. The cubic root of 1169255980 is about 1053.5048353001.

The spelling of 1169255980 in words is "one billion, one hundred sixty-nine million, two hundred fifty-five thousand, nine hundred eighty".