1137263 has 2 divisors, whose sum is σ = 1137264. Its totient is φ = 1137262.

The previous prime is 1137247. The next prime is 1137271. The reversal of 1137263 is 3627311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1137263 - 2⁴ = 1137247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1137203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568631 + 568632.

It is an arithmetic number, because the mean of its divisors is an integer number (568632).

2^1137263 is an apocalyptic number.

1137263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137263 is an equidigital number, since it uses as much as digits as its factorization.

1137263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 23.

The square root of 1137263 is about 1066.4253372834. The cubic root of 1137263 is about 104.3807236275.

The spelling of 1137263 in words is "one million, one hundred thirty-seven thousand, two hundred sixty-three".