1130320145 has 32 divisors (see below), whose sum is σ = 1421304192. Its totient is φ = 862267392.

The previous prime is 1130320117. The next prime is 1130320151. The reversal of 1130320145 is 5410230311.

It is a cyclic number.

It is not a de Polignac number, because 1130320145 - 2¹² = 1130316049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1730639 + ... + 1731291.

It is an arithmetic number, because the mean of its divisors is an integer number (44415756).

Almost surely, 2^1130320145 is an apocalyptic number.

It is an amenable number.

1130320145 is a deficient number, since it is larger than the sum of its proper divisors (290984047).

1130320145 is an equidigital number, since it uses as much as digits as its factorization.

1130320145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1130320145 is about 33620.2341603981. The cubic root of 1130320145 is about 1041.6787928473.

Adding to 1130320145 its reverse (5410230311), we get a palindrome (6540550456).

The spelling of 1130320145 in words is "one billion, one hundred thirty million, three hundred twenty thousand, one hundred forty-five".