1214267939 has 2 divisors, whose sum is σ = 1214267940. Its totient is φ = 1214267938.

The previous prime is 1214267893. The next prime is 1214267947. The reversal of 1214267939 is 9397624121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1214267939 - 2²⁰ = 1213219363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1214267939.

It is not a weakly prime, because it can be changed into another prime (1214267969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607133969 + 607133970.

It is an arithmetic number, because the mean of its divisors is an integer number (607133970).

Almost surely, 2^1214267939 is an apocalyptic number.

1214267939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214267939 is an equidigital number, since it uses as much as digits as its factorization.

1214267939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 44.

The square root of 1214267939 is about 34846.3475704413. The cubic root of 1214267939 is about 1066.8536385895.

The spelling of 1214267939 in words is "one billion, two hundred fourteen million, two hundred sixty-seven thousand, nine hundred thirty-nine".