1217119122 has 30 divisors (see below), whose sum is σ = 2728243749. Its totient is φ = 405558360.

The previous prime is 1217119103. The next prime is 1217119139. The reversal of 1217119122 is 2219117121.

It can be written as a sum of positive squares in 2 ways, for example, as 1164106161 + 53012961 = 34119^2 + 7281^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24669.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 in 14 ways as a sum of consecutive naturals, for example, 442672 + ... + 445412.

Almost surely, 2^1217119122 is an apocalyptic number.

1217119122 is an abundant number, since it is smaller than the sum of its proper divisors (1511124627).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1217119122 is an frugal number, since it uses more digits than its factorization.

1217119122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496 (or 2746 counting only the distinct ones).

The product of its digits is 504, while the sum is 27.

The square root of 1217119122 is about 34887.2343701819. The cubic root of 1217119122 is about 1067.6880006445.

The spelling of 1217119122 in words is "one billion, two hundred seventeen million, one hundred nineteen thousand, one hundred twenty-two".