1164521 has 2 divisors, whose sum is σ = 1164522. Its totient is φ = 1164520.

The previous prime is 1164511. The next prime is 1164533. The reversal of 1164521 is 1254611.

1164521 is nontrivially palindromic in base 3.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 929296 + 235225 = 964^2 + 485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1164521 is a prime.

It is a super-2 number, since 2×1164521² = 2712218318882, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1164493 and 1164502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582260 + 582261.

It is an arithmetic number, because the mean of its divisors is an integer number (582261).

2^1164521 is an apocalyptic number.

It is an amenable number.

1164521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164521 is an equidigital number, since it uses as much as digits as its factorization.

1164521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 20.

The square root of 1164521 is about 1079.1297419680. The cubic root of 1164521 is about 105.2080832026.

The spelling of 1164521 in words is "one million, one hundred sixty-four thousand, five hundred twenty-one".