1116122245 has 12 divisors (see below), whose sum is σ = 1558015884. Its totient is φ = 765340800.

The previous prime is 1116122239. The next prime is 1116122251. The reversal of 1116122245 is 5422216111.

It is an interprime number because it is at equal distance from previous prime (1116122239) and next prime (1116122251).

It can be written as a sum of positive squares in 2 ways, for example, as 170067681 + 946054564 = 13041^2 + 30758^2 .

It is not a de Polignac number, because 1116122245 - 2³ = 1116122237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2277556 + ... + 2278045.

It is an arithmetic number, because the mean of its divisors is an integer number (129834657).

Almost surely, 2^1116122245 is an apocalyptic number.

It is an amenable number.

1116122245 is a deficient number, since it is larger than the sum of its proper divisors (441893639).

1116122245 is an equidigital number, since it uses as much as digits as its factorization.

1116122245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555620 (or 4555613 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 1116122245 is about 33408.4157810573. The cubic root of 1116122245 is about 1037.2989094953.

Adding to 1116122245 its reverse (5422216111), we get a palindrome (6538338356).

The spelling of 1116122245 in words is "one billion, one hundred sixteen million, one hundred twenty-two thousand, two hundred forty-five".