1197488939 has 2 divisors, whose sum is σ = 1197488940. Its totient is φ = 1197488938.

The previous prime is 1197488921. The next prime is 1197488977. The reversal of 1197488939 is 9398847911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1197488939 - 2²⁰ = 1196440363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1197488989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598744469 + 598744470.

It is an arithmetic number, because the mean of its divisors is an integer number (598744470).

Almost surely, 2^1197488939 is an apocalyptic number.

1197488939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197488939 is an equidigital number, since it uses as much as digits as its factorization.

1197488939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 59.

The square root of 1197488939 is about 34604.7531272801. The cubic root of 1197488939 is about 1061.9168292074.

The spelling of 1197488939 in words is "one billion, one hundred ninety-seven million, four hundred eighty-eight thousand, nine hundred thirty-nine".