1122112245 has 32 divisors (see below), whose sum is σ = 1816012800. Its totient is φ = 591624000.

The previous prime is 1122112207. The next prime is 1122112289. The reversal of 1122112245 is 5422112211.

It is not a de Polignac number, because 1122112245 - 2⁸ = 1122111989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497370 + ... + 499620.

It is an arithmetic number, because the mean of its divisors is an integer number (56750400).

Almost surely, 2^1122112245 is an apocalyptic number.

1122112245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1122112245 is a deficient number, since it is larger than the sum of its proper divisors (693900555).

1122112245 is a wasteful number, since it uses less digits than its factorization.

1122112245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625.

The product of its digits is 320, while the sum is 21.

The square root of 1122112245 is about 33497.9438921257. The cubic root of 1122112245 is about 1039.1512568024.

Adding to 1122112245 its reverse (5422112211), we get a palindrome (6544224456).

The spelling of 1122112245 in words is "one billion, one hundred twenty-two million, one hundred twelve thousand, two hundred forty-five".