1122113045 has 16 divisors (see below), whose sum is σ = 1391116800. Its totient is φ = 868017600.

The previous prime is 1122113021. The next prime is 1122113063. The reversal of 1122113045 is 5403112211.

It is not a de Polignac number, because 1122113045 - 2¹⁰ = 1122112021 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261215 + ... + 265475.

It is an arithmetic number, because the mean of its divisors is an integer number (86944800).

Almost surely, 2^1122113045 is an apocalyptic number.

It is an amenable number.

1122113045 is a deficient number, since it is larger than the sum of its proper divisors (269003755).

1122113045 is a wasteful number, since it uses less digits than its factorization.

1122113045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1122113045 is about 33497.9558331550. The cubic root of 1122113045 is about 1039.1515037536.

Adding to 1122113045 its reverse (5403112211), we get a palindrome (6525225256).

The spelling of 1122113045 in words is "one billion, one hundred twenty-two million, one hundred thirteen thousand, forty-five".