1233512249 has 2 divisors, whose sum is σ = 1233512250. Its totient is φ = 1233512248.

The previous prime is 1233512209. The next prime is 1233512251. The reversal of 1233512249 is 9422153321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 842857024 + 390655225 = 29032^2 + 19765^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233512249 - 2²⁸ = 965076793 is a prime.

Together with 1233512251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1233512209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616756124 + 616756125.

It is an arithmetic number, because the mean of its divisors is an integer number (616756125).

Almost surely, 2^1233512249 is an apocalyptic number.

It is an amenable number.

1233512249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233512249 is an equidigital number, since it uses as much as digits as its factorization.

1233512249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 1233512249 is about 35121.3930390012. The cubic root of 1233512249 is about 1072.4601293944.

The spelling of 1233512249 in words is "one billion, two hundred thirty-three million, five hundred twelve thousand, two hundred forty-nine".