1275275 has 12 divisors (see below), whose sum is σ = 1636800. Its totient is φ = 984480.

The previous prime is 1275269. The next prime is 1275277. The reversal of 1275275 is 5725721.

1275275 = T₄₈ + T₄₉ + ... + T₁₉₇.

It is not a de Polignac number, because 1275275 - 2⁸ = 1275019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1275277) 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, 155 + ... + 1604.

It is an arithmetic number, because the mean of its divisors is an integer number (136400).

2^1275275 is an apocalyptic number.

1275275 is a deficient number, since it is larger than the sum of its proper divisors (361525).

1275275 is a wasteful number, since it uses less digits than its factorization.

1275275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798 (or 1793 counting only the distinct ones).

The product of its digits is 4900, while the sum is 29.

The square root of 1275275 is about 1129.2807445450. The cubic root of 1275275 is about 108.4429396928.

The spelling of 1275275 in words is "one million, two hundred seventy-five thousand, two hundred seventy-five".