1130523215 has 4 divisors (see below), whose sum is σ = 1356627864. Its totient is φ = 904418568.

The previous prime is 1130523167. The next prime is 1130523281. The reversal of 1130523215 is 5123250311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1130523215 - 2⁶ = 1130523151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113052317 + ... + 113052326.

It is an arithmetic number, because the mean of its divisors is an integer number (339156966).

Almost surely, 2^1130523215 is an apocalyptic number.

1130523215 is a deficient number, since it is larger than the sum of its proper divisors (226104649).

1130523215 is an equidigital number, since it uses as much as digits as its factorization.

1130523215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226104648.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1130523215 is about 33623.2540810672. The cubic root of 1130523215 is about 1041.7411707635.

Adding to 1130523215 its reverse (5123250311), we get a palindrome (6253773526).

The spelling of 1130523215 in words is "one billion, one hundred thirty million, five hundred twenty-three thousand, two hundred fifteen".