1125310025 has 12 divisors (see below), whose sum is σ = 1594725312. Its totient is φ = 771641040.

The previous prime is 1125310001. The next prime is 1125310061. The reversal of 1125310025 is 5200135211.

It is a happy number.

It is not a de Polignac number, because 1125310025 - 2⁸ = 1125309769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1125309979 and 1125310006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3214997 + ... + 3215346.

It is an arithmetic number, because the mean of its divisors is an integer number (132893776).

Almost surely, 2^1125310025 is an apocalyptic number.

It is an amenable number.

1125310025 is a deficient number, since it is larger than the sum of its proper divisors (469415287).

1125310025 is an equidigital number, since it uses as much as digits as its factorization.

1125310025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6430360 (or 6430355 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1125310025 is about 33545.6409239710. The cubic root of 1125310025 is about 1040.1374402309.

Adding to 1125310025 its reverse (5200135211), we get a palindrome (6325445236).

The spelling of 1125310025 in words is "one billion, one hundred twenty-five million, three hundred ten thousand, twenty-five".