1164880 has 20 divisors (see below), whose sum is σ = 2708532. Its totient is φ = 465920.

The previous prime is 1164869. The next prime is 1164899. The reversal of 1164880 is 884611.

It can be written as a sum of positive squares in 2 ways, for example, as 760384 + 404496 = 872^2 + 636^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7201 + ... + 7360.

2^1164880 is an apocalyptic number.

1164880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1164880 is an abundant number, since it is smaller than the sum of its proper divisors (1543652).

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

1164880 is a wasteful number, since it uses less digits than its factorization.

1164880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14574 (or 14568 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1164880 is about 1079.2960668880. The cubic root of 1164880 is about 105.2188933186.

The spelling of 1164880 in words is "one million, one hundred sixty-four thousand, eight hundred eighty".