1199072939 has 2 divisors, whose sum is σ = 1199072940. Its totient is φ = 1199072938.

The previous prime is 1199072929. The next prime is 1199072971. The reversal of 1199072939 is 9392709911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1199072939 - 2²⁰ = 1198024363 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1199072929) 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 as a sum of consecutive naturals, namely, 599536469 + 599536470.

It is an arithmetic number, because the mean of its divisors is an integer number (599536470).

Almost surely, 2^1199072939 is an apocalyptic number.

1199072939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199072939 is an equidigital number, since it uses as much as digits as its factorization.

1199072939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 275562, while the sum is 50.

The square root of 1199072939 is about 34627.6325930607. The cubic root of 1199072939 is about 1062.3848460944.

The spelling of 1199072939 in words is "one billion, one hundred ninety-nine million, seventy-two thousand, nine hundred thirty-nine".