1122125243 has 16 divisors (see below), whose sum is σ = 1155686400. Its totient is φ = 1089223200.

The previous prime is 1122125231. The next prime is 1122125287. The reversal of 1122125243 is 3425212211.

It is a cyclic number.

It is not a de Polignac number, because 1122125243 - 2¹⁶ = 1122059707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122125293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299830 + ... + 1300692.

It is an arithmetic number, because the mean of its divisors is an integer number (72230400).

Almost surely, 2^1122125243 is an apocalyptic number.

1122125243 is a deficient number, since it is larger than the sum of its proper divisors (33561157).

1122125243 is a wasteful number, since it uses less digits than its factorization.

1122125243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202.

The product of its digits is 960, while the sum is 23.

The square root of 1122125243 is about 33498.1379034716. The cubic root of 1122125243 is about 1039.1552691271.

Adding to 1122125243 its reverse (3425212211), we get a palindrome (4547337454).

The spelling of 1122125243 in words is "one billion, one hundred twenty-two million, one hundred twenty-five thousand, two hundred forty-three".