1125366313 has 4 divisors (see below), whose sum is σ = 1125510400. Its totient is φ = 1125222228.

The previous prime is 1125366299. The next prime is 1125366317. The reversal of 1125366313 is 3136635211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3136635211 = 31 ⋅101181781.

It is a cyclic number.

It is not a de Polignac number, because 1125366313 - 2²⁵ = 1091811881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125366317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59613 + ... + 76186.

It is an arithmetic number, because the mean of its divisors is an integer number (281377600).

Almost surely, 2^1125366313 is an apocalyptic number.

It is an amenable number.

1125366313 is a deficient number, since it is larger than the sum of its proper divisors (144087).

1125366313 is an equidigital number, since it uses as much as digits as its factorization.

1125366313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144086.

The product of its digits is 9720, while the sum is 31.

The square root of 1125366313 is about 33546.4798898484. The cubic root of 1125366313 is about 1040.1547824977.

The spelling of 1125366313 in words is "one billion, one hundred twenty-five million, three hundred sixty-six thousand, three hundred thirteen".