1120331155 has 8 divisors (see below), whose sum is σ = 1356295392. Its totient is φ = 888332928.

The previous prime is 1120331141. The next prime is 1120331167. The reversal of 1120331155 is 5511330211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120331155 - 2⁵ = 1120331123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990879 + ... + 992008.

It is an arithmetic number, because the mean of its divisors is an integer number (169536924).

Almost surely, 2^1120331155 is an apocalyptic number.

1120331155 is a deficient number, since it is larger than the sum of its proper divisors (235964237).

1120331155 is a wasteful number, since it uses less digits than its factorization.

1120331155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983005.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1120331155 is about 33471.3482698262. The cubic root of 1120331155 is about 1038.6011626881.

Adding to 1120331155 its reverse (5511330211), we get a palindrome (6631661366).

The spelling of 1120331155 in words is "one billion, one hundred twenty million, three hundred thirty-one thousand, one hundred fifty-five".