1214990089 has 2 divisors, whose sum is σ = 1214990090. Its totient is φ = 1214990088.

The previous prime is 1214990081. The next prime is 1214990141. The reversal of 1214990089 is 9800994121.

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., 1156544064 + 58446025 = 34008^2 + 7645^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214990089 - 2³ = 1214990081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1214990081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607495044 + 607495045.

It is an arithmetic number, because the mean of its divisors is an integer number (607495045).

Almost surely, 2^1214990089 is an apocalyptic number.

It is an amenable number.

1214990089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214990089 is an equidigital number, since it uses as much as digits as its factorization.

1214990089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 1214990089 is about 34856.7079483993. The cubic root of 1214990089 is about 1067.0650899095.

The spelling of 1214990089 in words is "one billion, two hundred fourteen million, nine hundred ninety thousand, eighty-nine".