1155122333 has 4 divisors (see below), whose sum is σ = 1176917148. Its totient is φ = 1133327520.

The previous prime is 1155122329. The next prime is 1155122357. The reversal of 1155122333 is 3332215511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3332215511 = 59 ⋅56478229.

It can be written as a sum of positive squares in 2 ways, for example, as 577056484 + 578065849 = 24022^2 + 24043^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155122333 - 2² = 1155122329 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155122363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10897328 + ... + 10897433.

It is an arithmetic number, because the mean of its divisors is an integer number (294229287).

Almost surely, 2^1155122333 is an apocalyptic number.

It is an amenable number.

1155122333 is a deficient number, since it is larger than the sum of its proper divisors (21794815).

1155122333 is an equidigital number, since it uses as much as digits as its factorization.

1155122333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21794814.

The product of its digits is 2700, while the sum is 26.

The square root of 1155122333 is about 33987.0906816103. The cubic root of 1155122333 is about 1049.2427898193.

Adding to 1155122333 its reverse (3332215511), we get a palindrome (4487337844).

The spelling of 1155122333 in words is "one billion, one hundred fifty-five million, one hundred twenty-two thousand, three hundred thirty-three".