1231325 has 6 divisors (see below), whose sum is σ = 1526874. Its totient is φ = 985040.

The previous prime is 1231319. The next prime is 1231337. The reversal of 1231325 is 5231321.

It can be written as a sum of positive squares in 3 ways, for example, as 1444 + 1229881 = 38^2 + 1109^2 .

It is not a de Polignac number, because 1231325 - 2⁴ = 1231309 is a prime.

It is a super-2 number, since 2×1231325² = 3032322511250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 24602 + ... + 24651.

It is an arithmetic number, because the mean of its divisors is an integer number (254479).

2^1231325 is an apocalyptic number.

It is an amenable number.

1231325 is a deficient number, since it is larger than the sum of its proper divisors (295549).

1231325 is an equidigital number, since it uses as much as digits as its factorization.

1231325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49263 (or 49258 counting only the distinct ones).

The product of its digits is 180, while the sum is 17.

The square root of 1231325 is about 1109.6508459872. The cubic root of 1231325 is about 107.1825863246.

Adding to 1231325 its reverse (5231321), we get a palindrome (6462646).

The spelling of 1231325 in words is "one million, two hundred thirty-one thousand, three hundred twenty-five".