1275125 has 12 divisors (see below), whose sum is σ = 1607268. Its totient is φ = 1010000.

The previous prime is 1275121. The next prime is 1275133. The reversal of 1275125 is 5215721.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 484 + 1274641 = 22^2 + 1129^2 .

It is not a de Polignac number, because 1275125 - 2² = 1275121 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 1275125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12575 + ... + 12675.

It is an arithmetic number, because the mean of its divisors is an integer number (133939).

2^1275125 is an apocalyptic number.

It is an amenable number.

1275125 is a deficient number, since it is larger than the sum of its proper divisors (332143).

1275125 is an frugal number, since it uses more digits than its factorization.

1275125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 106 counting only the distinct ones).

The product of its digits is 700, while the sum is 23.

The square root of 1275125 is about 1129.2143286374. The cubic root of 1275125 is about 108.4386877789.

The spelling of 1275125 in words is "one million, two hundred seventy-five thousand, one hundred twenty-five".