1121423025 has 36 divisors (see below), whose sum is σ = 1890083888. Its totient is φ = 586697280.

The previous prime is 1121422999. The next prime is 1121423053. The reversal of 1121423025 is 5203241211.

1121423025 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1121423025 - 2⁵ = 1121422993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121422992 and 1121423010.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 208014 + ... + 213336.

Almost surely, 2^1121423025 is an apocalyptic number.

1121423025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1121423025 is a deficient number, since it is larger than the sum of its proper divisors (768660863).

1121423025 is an equidigital number, since it uses as much as digits as its factorization.

1121423025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442 (or 5384 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1121423025 is about 33487.6548148717. The cubic root of 1121423025 is about 1038.9384585679.

Adding to 1121423025 its reverse (5203241211), we get a palindrome (6324664236).

The spelling of 1121423025 in words is "one billion, one hundred twenty-one million, four hundred twenty-three thousand, twenty-five".