1164273399 has 16 divisors (see below), whose sum is σ = 1735184640. Its totient is φ = 771531480.

The previous prime is 1164273391. The next prime is 1164273401. The reversal of 1164273399 is 9933724611.

It is not a de Polignac number, because 1164273399 - 2³ = 1164273391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164273391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124597 + ... + 133614.

It is an arithmetic number, because the mean of its divisors is an integer number (108449040).

Almost surely, 2^1164273399 is an apocalyptic number.

1164273399 is a deficient number, since it is larger than the sum of its proper divisors (570911241).

1164273399 is a wasteful number, since it uses less digits than its factorization.

1164273399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258387 (or 258381 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 1164273399 is about 34121.4507165214. The cubic root of 1164273399 is about 1052.0062621009.

The spelling of 1164273399 in words is "one billion, one hundred sixty-four million, two hundred seventy-three thousand, three hundred ninety-nine".