1152768269 has 2 divisors, whose sum is σ = 1152768270. Its totient is φ = 1152768268.

The previous prime is 1152768233. The next prime is 1152768313. The reversal of 1152768269 is 9628672511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 589275625 + 563492644 = 24275^2 + 23738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1152768269 is a prime.

It is a super-2 number, since 2×1152768269² = 2657749364026512722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1152768229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576384134 + 576384135.

It is an arithmetic number, because the mean of its divisors is an integer number (576384135).

Almost surely, 2^1152768269 is an apocalyptic number.

It is an amenable number.

1152768269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152768269 is an equidigital number, since it uses as much as digits as its factorization.

1152768269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 47.

The square root of 1152768269 is about 33952.4412818872. The cubic root of 1152768269 is about 1048.5295422842.

The spelling of 1152768269 in words is "one billion, one hundred fifty-two million, seven hundred sixty-eight thousand, two hundred sixty-nine".