1121107025 has 12 divisors (see below), whose sum is σ = 1390601100. Its totient is φ = 896609280.

The previous prime is 1121106997. The next prime is 1121107049. The reversal of 1121107025 is 5207011211.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2070721 + 1119036304 = 1439^2 + 33452^2 .

It is not a de Polignac number, because 1121107025 - 2²⁰ = 1120058449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121106988 and 1121107006.

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, 125921 + ... + 134529.

It is an arithmetic number, because the mean of its divisors is an integer number (115883425).

Almost surely, 2^1121107025 is an apocalyptic number.

It is an amenable number.

1121107025 is a deficient number, since it is larger than the sum of its proper divisors (269494075).

1121107025 is an equidigital number, since it uses as much as digits as its factorization.

1121107025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13828 (or 13823 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 1121107025 is about 33482.9363258362. The cubic root of 1121107025 is about 1038.8408637003.

Adding to 1121107025 its reverse (5207011211), we get a palindrome (6328118236).

The spelling of 1121107025 in words is "one billion, one hundred twenty-one million, one hundred seven thousand, twenty-five".