1152204269 has 2 divisors, whose sum is σ = 1152204270. Its totient is φ = 1152204268.

The previous prime is 1152204241. The next prime is 1152204271. The reversal of 1152204269 is 9624022511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 606981769 + 545222500 = 24637^2 + 23350^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152204269 - 2¹² = 1152200173 is a prime.

It is a super-2 number, since 2×1152204269² = 2655149355003648722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1152204271, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1152204239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576102134 + 576102135.

It is an arithmetic number, because the mean of its divisors is an integer number (576102135).

Almost surely, 2^1152204269 is an apocalyptic number.

It is an amenable number.

1152204269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152204269 is an equidigital number, since it uses as much as digits as its factorization.

1152204269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1152204269 is about 33944.1345301364. The cubic root of 1152204269 is about 1048.3585142328.

The spelling of 1152204269 in words is "one billion, one hundred fifty-two million, two hundred four thousand, two hundred sixty-nine".