1164257 has 4 divisors (see below), whose sum is σ = 1167300. Its totient is φ = 1161216.

The previous prime is 1164253. The next prime is 1164287. The reversal of 1164257 is 7524611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 707281 + 456976 = 841^2 + 676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164257 - 2² = 1164253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1164253) 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, 848 + ... + 1745.

It is an arithmetic number, because the mean of its divisors is an integer number (291825).

2^1164257 is an apocalyptic number.

It is an amenable number.

1164257 is a deficient number, since it is larger than the sum of its proper divisors (3043).

1164257 is an equidigital number, since it uses as much as digits as its factorization.

1164257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042.

The product of its digits is 1680, while the sum is 26.

The square root of 1164257 is about 1079.0074142470. The cubic root of 1164257 is about 105.2001322845.

Adding to 1164257 its reverse (7524611), we get a palindrome (8688868).

The spelling of 1164257 in words is "one million, one hundred sixty-four thousand, two hundred fifty-seven".