1264225 has 12 divisors (see below), whose sum is σ = 1595260. Its totient is φ = 993600.

The previous prime is 1264213. The next prime is 1264231. The reversal of 1264225 is 5224621.

It can be written as a sum of positive squares in 6 ways, for example, as 197136 + 1067089 = 444^2 + 1033^2 .

It is not a de Polignac number, because 1264225 - 2¹⁵ = 1231457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1264196 and 1264205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1111 + ... + 1939.

2^1264225 is an apocalyptic number.

It is an amenable number.

1264225 is a deficient number, since it is larger than the sum of its proper divisors (331035).

1264225 is an equidigital number, since it uses as much as digits as its factorization.

1264225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 895 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 1264225 is about 1124.3776056112. The cubic root of 1264225 is about 108.1288186251.

Adding to 1264225 its reverse (5224621), we get a palindrome (6488846).

The spelling of 1264225 in words is "one million, two hundred sixty-four thousand, two hundred twenty-five".