1121242535 has 24 divisors (see below), whose sum is σ = 1622913696. Its totient is φ = 728377920.

The previous prime is 1121242523. The next prime is 1121242553. The reversal of 1121242535 is 5352421211.

It is a de Polignac number, because none of the positive numbers 2^k-1121242535 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31736 + ... + 57005.

It is an arithmetic number, because the mean of its divisors is an integer number (67621404).

Almost surely, 2^1121242535 is an apocalyptic number.

1121242535 is a deficient number, since it is larger than the sum of its proper divisors (501671161).

1121242535 is an equidigital number, since it uses as much as digits as its factorization.

1121242535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88791 (or 88772 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 1121242535 is about 33484.9598327368. The cubic root of 1121242535 is about 1038.8827174666.

Adding to 1121242535 its reverse (5352421211), we get a palindrome (6473663746).

The spelling of 1121242535 in words is "one billion, one hundred twenty-one million, two hundred forty-two thousand, five hundred thirty-five".