1164557 has 2 divisors, whose sum is σ = 1164558. Its totient is φ = 1164556.

The previous prime is 1164533. The next prime is 1164571. The reversal of 1164557 is 7554611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 958441 + 206116 = 979^2 + 454^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164557 - 2¹⁸ = 902413 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582278 + 582279.

It is an arithmetic number, because the mean of its divisors is an integer number (582279).

2^1164557 is an apocalyptic number.

It is an amenable number.

1164557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164557 is an equidigital number, since it uses as much as digits as its factorization.

1164557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 29.

The square root of 1164557 is about 1079.1464219465. The cubic root of 1164557 is about 105.2091673256.

The spelling of 1164557 in words is "one million, one hundred sixty-four thousand, five hundred fifty-seven".