1184981 has 4 divisors (see below), whose sum is σ = 1354272. Its totient is φ = 1015692.

The previous prime is 1184959. The next prime is 1184987. The reversal of 1184981 is 1894811.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1184981 is a prime.

It is a super-2 number, since 2×1184981² = 2808359940722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1184987) 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, 84635 + ... + 84648.

It is an arithmetic number, because the mean of its divisors is an integer number (338568).

2^1184981 is an apocalyptic number.

It is an amenable number.

1184981 is a deficient number, since it is larger than the sum of its proper divisors (169291).

1184981 is an equidigital number, since it uses as much as digits as its factorization.

1184981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169290.

The product of its digits is 2304, while the sum is 32.

The square root of 1184981 is about 1088.5683258298. The cubic root of 1184981 is about 105.8206591280.

The spelling of 1184981 in words is "one million, one hundred eighty-four thousand, nine hundred eighty-one".