1275025 has 6 divisors (see below), whose sum is σ = 1581062. Its totient is φ = 1020000.

The previous prime is 1275019. The next prime is 1275041. The reversal of 1275025 is 5205721.

It can be written as a sum of positive squares in 3 ways, for example, as 207936 + 1067089 = 456^2 + 1033^2 .

It is not a de Polignac number, because 1275025 - 2¹⁷ = 1143953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1274987 and 1275005.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25476 + ... + 25525.

2^1275025 is an apocalyptic number.

It is an amenable number.

1275025 is a deficient number, since it is larger than the sum of its proper divisors (306037).

1275025 is an equidigital number, since it uses as much as digits as its factorization.

1275025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51011 (or 51006 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 1275025 is about 1129.1700491954. The cubic root of 1275025 is about 108.4358529843.

The spelling of 1275025 in words is "one million, two hundred seventy-five thousand, twenty-five".