1164242225 has 12 divisors (see below), whose sum is σ = 1445652636. Its totient is φ = 930108480.

The previous prime is 1164242201. The next prime is 1164242257. The reversal of 1164242225 is 5222424611.

It can be written as a sum of positive squares in 6 ways, for example, as 62599744 + 1101642481 = 7912^2 + 33191^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1164242225 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13442 + ... + 50091.

It is an arithmetic number, because the mean of its divisors is an integer number (120471053).

Almost surely, 2^1164242225 is an apocalyptic number.

It is an amenable number.

1164242225 is a deficient number, since it is larger than the sum of its proper divisors (281410411).

1164242225 is an equidigital number, since it uses as much as digits as its factorization.

1164242225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64276 (or 64271 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 1164242225 is about 34120.9939040468. The cubic root of 1164242225 is about 1051.9968726866.

Adding to 1164242225 its reverse (5222424611), we get a palindrome (6386666836).

The spelling of 1164242225 in words is "one billion, one hundred sixty-four million, two hundred forty-two thousand, two hundred twenty-five".