1164881 has 4 divisors (see below), whose sum is σ = 1215552. Its totient is φ = 1114212.

The previous prime is 1164869. The next prime is 1164899. The reversal of 1164881 is 1884611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1164881 - 2⁶ = 1164817 is a prime.

It is a super-2 number, since 2×1164881² = 2713895488322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1164811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25301 + ... + 25346.

It is an arithmetic number, because the mean of its divisors is an integer number (303888).

2^1164881 is an apocalyptic number.

It is an amenable number.

1164881 is a deficient number, since it is larger than the sum of its proper divisors (50671).

1164881 is an equidigital number, since it uses as much as digits as its factorization.

1164881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50670.

The product of its digits is 1536, while the sum is 29.

The square root of 1164881 is about 1079.2965301529. The cubic root of 1164881 is about 105.2189234272.

The spelling of 1164881 in words is "one million, one hundred sixty-four thousand, eight hundred eighty-one".