1261325 has 12 divisors (see below), whose sum is σ = 1684788. Its totient is φ = 931200.

The previous prime is 1261321. The next prime is 1261327. The reversal of 1261325 is 5231621.

It can be written as a sum of positive squares in 6 ways, for example, as 90601 + 1170724 = 301^2 + 1082^2 .

It is not a de Polignac number, because 1261325 - 2² = 1261321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1261297 and 1261306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1261321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1616 + ... + 2265.

It is an arithmetic number, because the mean of its divisors is an integer number (140399).

2^1261325 is an apocalyptic number.

It is an amenable number.

1261325 is a deficient number, since it is larger than the sum of its proper divisors (423463).

1261325 is a wasteful number, since it uses less digits than its factorization.

1261325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904 (or 3899 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 1261325 is about 1123.0872628607. The cubic root of 1261325 is about 108.0460765899.

Adding to 1261325 its reverse (5231621), we get a palindrome (6492946).

The spelling of 1261325 in words is "one million, two hundred sixty-one thousand, three hundred twenty-five".