1164274009 has 4 divisors (see below), whose sum is σ = 1164999220. Its totient is φ = 1163548800.

The previous prime is 1164273967. The next prime is 1164274021. The reversal of 1164274009 is 9004724611.

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 716739984 + 447534025 = 26772^2 + 21155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1164274009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1164274109) 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, 360192 + ... + 363409.

It is an arithmetic number, because the mean of its divisors is an integer number (291249805).

Almost surely, 2^1164274009 is an apocalyptic number.

It is an amenable number.

1164274009 is a deficient number, since it is larger than the sum of its proper divisors (725211).

1164274009 is an equidigital number, since it uses as much as digits as its factorization.

1164274009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725210.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1164274009 is about 34121.4596551789. The cubic root of 1164274009 is about 1052.0064458274.

The spelling of 1164274009 in words is "one billion, one hundred sixty-four million, two hundred seventy-four thousand, nine".