1275225 has 36 divisors (see below), whose sum is σ = 2459664. Its totient is φ = 581280.

The previous prime is 1275203. The next prime is 1275227. The reversal of 1275225 is 5225721.

It is not a de Polignac number, because 1275225 - 2⁵ = 1275193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1275195 and 1275204.

It is not an unprimeable number, because it can be changed into a prime (1275227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3502 + ... + 3848.

It is an arithmetic number, because the mean of its divisors is an integer number (68324).

2^1275225 is an apocalyptic number.

1275225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1275225 is a deficient number, since it is larger than the sum of its proper divisors (1184439).

1275225 is a wasteful number, since it uses less digits than its factorization.

1275225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 362 counting only the distinct ones).

The product of its digits is 1400, while the sum is 24.

The square root of 1275225 is about 1129.2586063431. The cubic root of 1275225 is about 108.4415224252.

The spelling of 1275225 in words is "one million, two hundred seventy-five thousand, two hundred twenty-five".