1164210631 has 4 divisors (see below), whose sum is σ = 1164283632. Its totient is φ = 1164137632.

The previous prime is 1164210629. The next prime is 1164210653. The reversal of 1164210631 is 1360124611.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1164210631 - 2¹ = 1164210629 is a prime.

It is a super-2 number, since 2×1164210631² = 2710772786666836322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1164210596 and 1164210605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164219631) 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, 1195 + ... + 48268.

It is an arithmetic number, because the mean of its divisors is an integer number (291070908).

Almost surely, 2^1164210631 is an apocalyptic number.

1164210631 is a deficient number, since it is larger than the sum of its proper divisors (73001).

1164210631 is an equidigital number, since it uses as much as digits as its factorization.

1164210631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73000.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1164210631 is about 34120.5309308047. The cubic root of 1164210631 is about 1051.9873565999.

The spelling of 1164210631 in words is "one billion, one hundred sixty-four million, two hundred ten thousand, six hundred thirty-one".