1214940719 has 2 divisors, whose sum is σ = 1214940720. Its totient is φ = 1214940718.

The previous prime is 1214940709. The next prime is 1214940733. The reversal of 1214940719 is 9170494121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214940719 is a prime.

It is a super-2 number, since 2×1214940719² = 2952161901368473922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214940709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607470359 + 607470360.

It is an arithmetic number, because the mean of its divisors is an integer number (607470360).

Almost surely, 2^1214940719 is an apocalyptic number.

1214940719 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214940719 is an equidigital number, since it uses as much as digits as its factorization.

1214940719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1214940719 is about 34855.9997561395. Note that the first 3 decimals coincide. The cubic root of 1214940719 is about 1067.0506366457.

The spelling of 1214940719 in words is "one billion, two hundred fourteen million, nine hundred forty thousand, seven hundred nineteen".