1275425 has 12 divisors (see below), whose sum is σ = 1675116. Its totient is φ = 960000.

The previous prime is 1275401. The next prime is 1275437. The reversal of 1275425 is 5245721.

It can be written as a sum of positive squares in 6 ways, for example, as 784 + 1274641 = 28^2 + 1129^2 .

It is not a de Polignac number, because 1275425 - 2⁶ = 1275361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1275394 and 1275403.

It is a congruent number.

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, 1076 + ... + 1925.

It is an arithmetic number, because the mean of its divisors is an integer number (139593).

2^1275425 is an apocalyptic number.

It is an amenable number.

1275425 is a deficient number, since it is larger than the sum of its proper divisors (399691).

1275425 is a wasteful number, since it uses less digits than its factorization.

1275425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028 (or 3023 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 1275425 is about 1129.3471565466. The cubic root of 1275425 is about 108.4471912734.

The spelling of 1275425 in words is "one million, two hundred seventy-five thousand, four hundred twenty-five".