1233194939 has 2 divisors, whose sum is σ = 1233194940. Its totient is φ = 1233194938.

The previous prime is 1233194929. The next prime is 1233194957. The reversal of 1233194939 is 9394913321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1233194939 - 2²⁴ = 1216417723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1233194939.

It is not a weakly prime, because it can be changed into another prime (1233194929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616597469 + 616597470.

It is an arithmetic number, because the mean of its divisors is an integer number (616597470).

Almost surely, 2^1233194939 is an apocalyptic number.

1233194939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233194939 is an equidigital number, since it uses as much as digits as its factorization.

1233194939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 44.

The square root of 1233194939 is about 35116.8754162440. The cubic root of 1233194939 is about 1072.3681612474.

The spelling of 1233194939 in words is "one billion, two hundred thirty-three million, one hundred ninety-four thousand, nine hundred thirty-nine".