1122455012 has 24 divisors (see below), whose sum is σ = 2255561280. Its totient is φ = 478769760.

The previous prime is 1122454979. The next prime is 1122455053. The reversal of 1122455012 is 2105542211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89087 + ... + 100902.

It is an arithmetic number, because the mean of its divisors is an integer number (93981720).

Almost surely, 2^1122455012 is an apocalyptic number.

It is an amenable number.

1122455012 is an abundant number, since it is smaller than the sum of its proper divisors (1133106268).

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

1122455012 is a wasteful number, since it uses less digits than its factorization.

1122455012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190211 (or 190209 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1122455012 is about 33503.0597408655. The cubic root of 1122455012 is about 1039.2570544470.

Adding to 1122455012 its reverse (2105542211), we get a palindrome (3227997223).

The spelling of 1122455012 in words is "one billion, one hundred twenty-two million, four hundred fifty-five thousand, twelve".