1121373425 has 12 divisors (see below), whose sum is σ = 1397713740. Its totient is φ = 892446720.

The previous prime is 1121373403. The next prime is 1121373427. The reversal of 1121373425 is 5243731211.

It can be written as a sum of positive squares in 6 ways, for example, as 101465329 + 1019908096 = 10073^2 + 31936^2 .

It is not a de Polignac number, because 1121373425 - 2¹⁰ = 1121372401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121373427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111380 + ... + 121029.

It is an arithmetic number, because the mean of its divisors is an integer number (116476145).

Almost surely, 2^1121373425 is an apocalyptic number.

It is an amenable number.

1121373425 is a deficient number, since it is larger than the sum of its proper divisors (276340315).

1121373425 is a wasteful number, since it uses less digits than its factorization.

1121373425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232612 (or 232607 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 1121373425 is about 33486.9142352651. The cubic root of 1121373425 is about 1038.9231410930.

The spelling of 1121373425 in words is "one billion, one hundred twenty-one million, three hundred seventy-three thousand, four hundred twenty-five".