1125464113 has 4 divisors (see below), whose sum is σ = 1155882100. Its totient is φ = 1095046128.

The previous prime is 1125464071. The next prime is 1125464143. The reversal of 1125464113 is 3114645211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 966401569 + 159062544 = 31087^2 + 12612^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125464113 - 2²¹ = 1123366961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125464143) 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, 15208938 + ... + 15209011.

It is an arithmetic number, because the mean of its divisors is an integer number (288970525).

Almost surely, 2^1125464113 is an apocalyptic number.

It is an amenable number.

1125464113 is a deficient number, since it is larger than the sum of its proper divisors (30417987).

1125464113 is an equidigital number, since it uses as much as digits as its factorization.

1125464113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30417986.

The product of its digits is 2880, while the sum is 28.

The square root of 1125464113 is about 33547.9375372019. The cubic root of 1125464113 is about 1040.1849131878.

The spelling of 1125464113 in words is "one billion, one hundred twenty-five million, four hundred sixty-four thousand, one hundred thirteen".