1272325 has 6 divisors (see below), whose sum is σ = 1577714. Its totient is φ = 1017840.

The previous prime is 1272289. The next prime is 1272329. The reversal of 1272325 is 5232721.

It can be written as a sum of positive squares in 3 ways, for example, as 20164 + 1252161 = 142^2 + 1119^2 .

It is not a de Polignac number, because 1272325 - 2⁹ = 1271813 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1272296 and 1272305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25422 + ... + 25471.

2^1272325 is an apocalyptic number.

It is an amenable number.

1272325 is a deficient number, since it is larger than the sum of its proper divisors (305389).

1272325 is an equidigital number, since it uses as much as digits as its factorization.

1272325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50903 (or 50898 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 1272325 is about 1127.9738472146. The cubic root of 1272325 is about 108.3592574382.

The spelling of 1272325 in words is "one million, two hundred seventy-two thousand, three hundred twenty-five".