1296125 has 8 divisors (see below), whose sum is σ = 1617720. Its totient is φ = 1036800.

The previous prime is 1296109. The next prime is 1296137. The reversal of 1296125 is 5216921.

It can be written as a sum of positive squares in 4 ways, for example, as 284089 + 1012036 = 533^2 + 1006^2 .

It is not a de Polignac number, because 1296125 - 2⁴ = 1296109 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 1296094 and 1296103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5060 + ... + 5309.

It is an arithmetic number, because the mean of its divisors is an integer number (202215).

2^1296125 is an apocalyptic number.

It is an amenable number.

1296125 is a deficient number, since it is larger than the sum of its proper divisors (321595).

1296125 is an equidigital number, since it uses as much as digits as its factorization.

1296125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10384 (or 10374 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 1296125 is about 1138.4748569907. The cubic root of 1296125 is about 109.0307407053.

The spelling of 1296125 in words is "one million, two hundred ninety-six thousand, one hundred twenty-five".