1125315241 has 4 divisors (see below), whose sum is σ = 1132483012. Its totient is φ = 1118147472.

The previous prime is 1125315229. The next prime is 1125315271. The reversal of 1125315241 is 1425135211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1425135211 = 17 ⋅83831483.

It can be written as a sum of positive squares in 2 ways, for example, as 189200025 + 936115216 = 13755^2 + 30596^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125315241 - 2⁵ = 1125315209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125315211) 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, 3583650 + ... + 3583963.

It is an arithmetic number, because the mean of its divisors is an integer number (283120753).

Almost surely, 2^1125315241 is an apocalyptic number.

It is an amenable number.

1125315241 is a deficient number, since it is larger than the sum of its proper divisors (7167771).

1125315241 is an equidigital number, since it uses as much as digits as its factorization.

1125315241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7167770.

The product of its digits is 1200, while the sum is 25.

The square root of 1125315241 is about 33545.7186687064. The cubic root of 1125315241 is about 1040.1390472987.

The spelling of 1125315241 in words is "one billion, one hundred twenty-five million, three hundred fifteen thousand, two hundred forty-one".