1120566155 has 8 divisors (see below), whose sum is σ = 1354495392. Its totient is φ = 889908928.

The previous prime is 1120566143. The next prime is 1120566163. The reversal of 1120566155 is 5516650211.

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 1120566155 - 2²⁰ = 1119517579 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, 817247 + ... + 818616.

It is an arithmetic number, because the mean of its divisors is an integer number (169311924).

Almost surely, 2^1120566155 is an apocalyptic number.

1120566155 is a deficient number, since it is larger than the sum of its proper divisors (233929237).

1120566155 is a wasteful number, since it uses less digits than its factorization.

1120566155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636005.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 1120566155 is about 33474.8585508587. The cubic root of 1120566155 is about 1038.6737763995.

The spelling of 1120566155 in words is "one billion, one hundred twenty million, five hundred sixty-six thousand, one hundred fifty-five".