1121433539 has 2 divisors, whose sum is σ = 1121433540. Its totient is φ = 1121433538.

The previous prime is 1121433527. The next prime is 1121433541. The reversal of 1121433539 is 9353341211.

It is a strong prime.

It is an emirp because it is prime and its reverse (9353341211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121433539 - 2⁸ = 1121433283 is a prime.

It is a super-2 number, since 2×1121433539² = 2515226364788129042, which contains 22 as substring.

Together with 1121433541, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1121432539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560716769 + 560716770.

It is an arithmetic number, because the mean of its divisors is an integer number (560716770).

Almost surely, 2^1121433539 is an apocalyptic number.

1121433539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121433539 is an equidigital number, since it uses as much as digits as its factorization.

1121433539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 32.

The square root of 1121433539 is about 33487.8117977272. The cubic root of 1121433539 is about 1038.9417054440.

The spelling of 1121433539 in words is "one billion, one hundred twenty-one million, four hundred thirty-three thousand, five hundred thirty-nine".