1275422 has 4 divisors (see below), whose sum is σ = 1913136. Its totient is φ = 637710.

The previous prime is 1275401. The next prime is 1275437. The reversal of 1275422 is 2245721.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318854 + ... + 318857.

It is an arithmetic number, because the mean of its divisors is an integer number (478284).

2^1275422 is an apocalyptic number.

1275422 is a deficient number, since it is larger than the sum of its proper divisors (637714).

1275422 is an equidigital number, since it uses as much as digits as its factorization.

1275422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637713.

The product of its digits is 1120, while the sum is 23.

The square root of 1275422 is about 1129.3458283449. The cubic root of 1275422 is about 108.4471062451.

Subtracting 1275422 from its reverse (2245721), we obtain a cube (970299 = 99³).

The spelling of 1275422 in words is "one million, two hundred seventy-five thousand, four hundred twenty-two".