1167042269 has 2 divisors, whose sum is σ = 1167042270. Its totient is φ = 1167042268.

The previous prime is 1167042229. The next prime is 1167042277. The reversal of 1167042269 is 9622407611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1167042244 + 25 = 34162^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1167042269 is a prime.

It is a super-2 number, since 2×1167042269² = 2723975315265336722, which contains 22 as substring.

It is a Sophie Germain 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 (1167042229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583521134 + 583521135.

It is an arithmetic number, because the mean of its divisors is an integer number (583521135).

Almost surely, 2^1167042269 is an apocalyptic number.

It is an amenable number.

1167042269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167042269 is an equidigital number, since it uses as much as digits as its factorization.

1167042269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1167042269 is about 34162.0003659036. Note that the first 3 decimals coincide. The cubic root of 1167042269 is about 1052.8395607927.

The spelling of 1167042269 in words is "one billion, one hundred sixty-seven million, forty-two thousand, two hundred sixty-nine".