1120452591 has 32 divisors (see below), whose sum is σ = 1633392640. Its totient is φ = 680781024.

The previous prime is 1120452587. The next prime is 1120452617. The reversal of 1120452591 is 1952540211.

It is not a de Polignac number, because 1120452591 - 2² = 1120452587 is a prime.

It is a super-2 number, since 2×1120452591² = 2510828017357226562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120452791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160806 + ... + 167628.

It is an arithmetic number, because the mean of its divisors is an integer number (51043520).

Almost surely, 2^1120452591 is an apocalyptic number.

1120452591 is a deficient number, since it is larger than the sum of its proper divisors (512940049).

1120452591 is a wasteful number, since it uses less digits than its factorization.

1120452591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1120452591 is about 33473.1622497786. The cubic root of 1120452591 is about 1038.6386870139.

The spelling of 1120452591 in words is "one billion, one hundred twenty million, four hundred fifty-two thousand, five hundred ninety-one".