1275375 has 32 divisors (see below), whose sum is σ = 2246400. Its totient is φ = 640800.

The previous prime is 1275361. The next prime is 1275401. The reversal of 1275375 is 5735721.

It is not a de Polignac number, because 1275375 - 2⁴ = 1275359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7036 + ... + 7214.

It is an arithmetic number, because the mean of its divisors is an integer number (70200).

2^1275375 is an apocalyptic number.

1275375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1275375 is a deficient number, since it is larger than the sum of its proper divisors (971025).

1275375 is a wasteful number, since it uses less digits than its factorization.

1275375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 206 counting only the distinct ones).

The product of its digits is 7350, while the sum is 30.

The square root of 1275375 is about 1129.3250196467. The cubic root of 1275375 is about 108.4457741169.

The spelling of 1275375 in words is "one million, two hundred seventy-five thousand, three hundred seventy-five".