1275722 has 16 divisors (see below), whose sum is σ = 2201472. Its totient is φ = 543120.

The previous prime is 1275719. The next prime is 1275737. The reversal of 1275722 is 2275721.

It is a junction number, because it is equal to n+sod(n) for n = 1275691 and 1275700.

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, 3947 + ... + 4257.

It is an arithmetic number, because the mean of its divisors is an integer number (137592).

2^1275722 is an apocalyptic number.

1275722 is a deficient number, since it is larger than the sum of its proper divisors (925750).

1275722 is a wasteful number, since it uses less digits than its factorization.

1275722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613.

The product of its digits is 1960, while the sum is 26.

The square root of 1275722 is about 1129.4786407896. The cubic root of 1275722 is about 108.4556084196.

Subtracting 1275722 from its reverse (2275721), we obtain a palindrome (999999).

The spelling of 1275722 in words is "one million, two hundred seventy-five thousand, seven hundred twenty-two".