1121204425 has 24 divisors (see below), whose sum is σ = 1518340320. Its totient is φ = 814531200.

The previous prime is 1121204393. The next prime is 1121204443. The reversal of 1121204425 is 5244021211.

It is not a de Polignac number, because 1121204425 - 2⁵ = 1121204393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121204396 and 1121204405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352894 + ... + 356056.

It is an arithmetic number, because the mean of its divisors is an integer number (63264180).

Almost surely, 2^1121204425 is an apocalyptic number.

It is an amenable number.

1121204425 is a deficient number, since it is larger than the sum of its proper divisors (397135895).

1121204425 is a wasteful number, since it uses less digits than its factorization.

1121204425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473 (or 4468 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1121204425 is about 33484.3907664452. The cubic root of 1121204425 is about 1038.8709471113.

Adding to 1121204425 its reverse (5244021211), we get a palindrome (6365225636).

The spelling of 1121204425 in words is "one billion, one hundred twenty-one million, two hundred four thousand, four hundred twenty-five".