1291325 has 24 divisors (see below), whose sum is σ = 1880832. Its totient is φ = 861120.

The previous prime is 1291321. The next prime is 1291327. The reversal of 1291325 is 5231921.

It is not a de Polignac number, because 1291325 - 2² = 1291321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1291325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1291321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8147 + ... + 8303.

It is an arithmetic number, because the mean of its divisors is an integer number (78368).

2^1291325 is an apocalyptic number.

It is an amenable number.

1291325 is a deficient number, since it is larger than the sum of its proper divisors (589507).

1291325 is a wasteful number, since it uses less digits than its factorization.

1291325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 216 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 1291325 is about 1136.3648181812. The cubic root of 1291325 is about 108.8959813434.

The spelling of 1291325 in words is "one million, two hundred ninety-one thousand, three hundred twenty-five".