1156726233 has 12 divisors (see below), whose sum is σ = 1799352100. Its totient is φ = 711831456.

The previous prime is 1156726229. The next prime is 1156726237. The reversal of 1156726233 is 3326276511.

1156726233 is a `hidden beast` number, since 1 + 1 + 567 + 2 + 62 + 33 = 666.

It is an interprime number because it is at equal distance from previous prime (1156726229) and next prime (1156726237).

It can be written as a sum of positive squares in 2 ways, for example, as 769896009 + 386830224 = 27747^2 + 19668^2 .

It is not a de Polignac number, because 1156726233 - 2² = 1156726229 is a prime.

It is a super-2 number, since 2×1156726233² = 2676031156220740578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1156726237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4943158 + ... + 4943391.

Almost surely, 2^1156726233 is an apocalyptic number.

1156726233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1156726233 is a deficient number, since it is larger than the sum of its proper divisors (642625867).

1156726233 is a wasteful number, since it uses less digits than its factorization.

1156726233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9886568 (or 9886565 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 1156726233 is about 34010.6782202296. The cubic root of 1156726233 is about 1049.7281935910.

The spelling of 1156726233 in words is "one billion, one hundred fifty-six million, seven hundred twenty-six thousand, two hundred thirty-three".