1232113081 has 2 divisors, whose sum is σ = 1232113082. Its totient is φ = 1232113080.

The previous prime is 1232112997. The next prime is 1232113147. The reversal of 1232113081 is 1803112321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1196053056 + 36060025 = 34584^2 + 6005^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232113081 - 2²¹ = 1230015929 is a prime.

It is a super-2 number, since 2×1232113081² = 3036205288742625122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1235113081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616056540 + 616056541.

It is an arithmetic number, because the mean of its divisors is an integer number (616056541).

Almost surely, 2^1232113081 is an apocalyptic number.

It is an amenable number.

1232113081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232113081 is an equidigital number, since it uses as much as digits as its factorization.

1232113081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1232113081 is about 35101.4683596000. The cubic root of 1232113081 is about 1072.0544802383.

The spelling of 1232113081 in words is "one billion, two hundred thirty-two million, one hundred thirteen thousand, eighty-one".