1123113025 has 6 divisors (see below), whose sum is σ = 1392660182. Its totient is φ = 898490400.

The previous prime is 1123113011. The next prime is 1123113037. The reversal of 1123113025 is 5203113211.

It can be written as a sum of positive squares in 3 ways, for example, as 186814224 + 936298801 = 13668^2 + 30599^2 .

It is not a de Polignac number, because 1123113025 - 2⁷ = 1123112897 is a prime.

It is a super-2 number, since 2×1123113025² = 2522765733849301250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123112993 and 1123113011.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22462236 + ... + 22462285.

Almost surely, 2^1123113025 is an apocalyptic number.

It is an amenable number.

1123113025 is a deficient number, since it is larger than the sum of its proper divisors (269547157).

1123113025 is an equidigital number, since it uses as much as digits as its factorization.

1123113025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44924531 (or 44924526 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1123113025 is about 33512.8784946922. The cubic root of 1123113025 is about 1039.4600948240.

Adding to 1123113025 its reverse (5203113211), we get a palindrome (6326226236).

The spelling of 1123113025 in words is "one billion, one hundred twenty-three million, one hundred thirteen thousand, twenty-five".