1121433123 has 16 divisors (see below), whose sum is σ = 1502032896. Its totient is φ = 744237120.

The previous prime is 1121433109. The next prime is 1121433193. The reversal of 1121433123 is 3213341211.

1121433123 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1121433123 - 2¹⁴ = 1121416739 is a prime.

It is a super-2 number, since 2×1121433123² = 2515224498723066258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121433123.

It is not an unprimeable number, because it can be changed into a prime (1121433193) 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, 939415 + ... + 940607.

It is an arithmetic number, because the mean of its divisors is an integer number (93877056).

Almost surely, 2^1121433123 is an apocalyptic number.

1121433123 is a deficient number, since it is larger than the sum of its proper divisors (380599773).

1121433123 is a wasteful number, since it uses less digits than its factorization.

1121433123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354.

The product of its digits is 432, while the sum is 21.

The square root of 1121433123 is about 33487.8055865116. The cubic root of 1121433123 is about 1038.9415769775.

Adding to 1121433123 its reverse (3213341211), we get a palindrome (4334774334).

The spelling of 1121433123 in words is "one billion, one hundred twenty-one million, four hundred thirty-three thousand, one hundred twenty-three".