1214879873 has 2 divisors, whose sum is σ = 1214879874. Its totient is φ = 1214879872.

The previous prime is 1214879851. The next prime is 1214879921. The reversal of 1214879873 is 3789784121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 677196529 + 537683344 = 26023^2 + 23188^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214879873 - 2¹⁰ = 1214878849 is a prime.

It is a super-2 number, since 2×1214879873² = 2951866211640992258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1214879173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607439936 + 607439937.

It is an arithmetic number, because the mean of its divisors is an integer number (607439937).

Almost surely, 2^1214879873 is an apocalyptic number.

It is an amenable number.

1214879873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214879873 is an equidigital number, since it uses as much as digits as its factorization.

1214879873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 50.

The square root of 1214879873 is about 34855.1269256045. The cubic root of 1214879873 is about 1067.0328231985.

The spelling of 1214879873 in words is "one billion, two hundred fourteen million, eight hundred seventy-nine thousand, eight hundred seventy-three".