1123585225 has 12 divisors (see below), whose sum is σ = 1592281024. Its totient is φ = 770458320.

The previous prime is 1123585223. The next prime is 1123585231. The reversal of 1123585225 is 5225853211.

It is not a de Polignac number, because 1123585225 - 2¹ = 1123585223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123585223) 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, 3210069 + ... + 3210418.

Almost surely, 2^1123585225 is an apocalyptic number.

It is an amenable number.

1123585225 is a deficient number, since it is larger than the sum of its proper divisors (468695799).

1123585225 is an equidigital number, since it uses as much as digits as its factorization.

1123585225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420504 (or 6420499 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The square root of 1123585225 is about 33519.9228071904. The cubic root of 1123585225 is about 1039.6057507742.

The spelling of 1123585225 in words is "one billion, one hundred twenty-three million, five hundred eighty-five thousand, two hundred twenty-five".