1164631 has 8 divisors (see below), whose sum is σ = 1268064. Its totient is φ = 1063200.

The previous prime is 1164629. The next prime is 1164641. The reversal of 1164631 is 1364611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1164631 - 2¹ = 1164629 is a prime.

It is a super-2 number, since 2×1164631² = 2712730732322, which contains 22 as substring.

It is a Duffinian number.

1164631 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870 + ... + 1756.

It is an arithmetic number, because the mean of its divisors is an integer number (158508).

2^1164631 is an apocalyptic number.

1164631 is a deficient number, since it is larger than the sum of its proper divisors (103433).

1164631 is a wasteful number, since it uses less digits than its factorization.

1164631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001.

The product of its digits is 432, while the sum is 22.

The square root of 1164631 is about 1079.1807077594. The cubic root of 1164631 is about 105.2113957304.

The spelling of 1164631 in words is "one million, one hundred sixty-four thousand, six hundred thirty-one".