1130315123 has 4 divisors (see below), whose sum is σ = 1291788720. Its totient is φ = 968841528.

The previous prime is 1130315119. The next prime is 1130315189. The reversal of 1130315123 is 3215130311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3215130311 = 31 ⋅103713881.

It is a cyclic number.

It is not a de Polignac number, because 1130315123 - 2² = 1130315119 is a prime.

It is a super-2 number, since 2×1130315123² = 2555224554565010258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130315095 and 1130315104.

It is not an unprimeable number, because it can be changed into a prime (1130315323) 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 3 ways as a sum of consecutive naturals, for example, 80736788 + ... + 80736801.

It is an arithmetic number, because the mean of its divisors is an integer number (322947180).

Almost surely, 2^1130315123 is an apocalyptic number.

1130315123 is a deficient number, since it is larger than the sum of its proper divisors (161473597).

1130315123 is an equidigital number, since it uses as much as digits as its factorization.

1130315123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161473596.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1130315123 is about 33620.1594731494. The cubic root of 1130315123 is about 1041.6772501225.

Adding to 1130315123 its reverse (3215130311), we get a palindrome (4345445434).

The spelling of 1130315123 in words is "one billion, one hundred thirty million, three hundred fifteen thousand, one hundred twenty-three".