1122512313 has 32 divisors (see below), whose sum is σ = 1639532160. Its totient is φ = 678965760.

The previous prime is 1122512311. The next prime is 1122512357. The reversal of 1122512313 is 3132152211.

It is not a de Polignac number, because 1122512313 - 2¹ = 1122512311 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122512313.

It is not an unprimeable number, because it can be changed into a prime (1122512311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1192423 + ... + 1193363.

It is an arithmetic number, because the mean of its divisors is an integer number (51235380).

Almost surely, 2^1122512313 is an apocalyptic number.

1122512313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1122512313 is a deficient number, since it is larger than the sum of its proper divisors (517019847).

1122512313 is a wasteful number, since it uses less digits than its factorization.

1122512313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449.

The product of its digits is 360, while the sum is 21.

The square root of 1122512313 is about 33503.9148906512. The cubic root of 1122512313 is about 1039.2747387356.

Adding to 1122512313 its reverse (3132152211), we get a palindrome (4254664524).

The spelling of 1122512313 in words is "one billion, one hundred twenty-two million, five hundred twelve thousand, three hundred thirteen".