1255322 has 4 divisors (see below), whose sum is σ = 1882986. Its totient is φ = 627660.

The previous prime is 1255321. The next prime is 1255333. The reversal of 1255322 is 2235521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2235521 = 19 ⋅117659.

It can be written as a sum of positive squares in only one way, i.e., 942841 + 312481 = 971^2 + 559^2 .

It is a plaindrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 1255294 and 1255303.

It is not an unprimeable number, because it can be changed into a prime (1255321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313829 + ... + 313832.

2^1255322 is an apocalyptic number.

1255322 is a deficient number, since it is larger than the sum of its proper divisors (627664).

1255322 is an equidigital number, since it uses as much as digits as its factorization.

1255322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627663.

The product of its digits is 600, while the sum is 20.

The square root of 1255322 is about 1120.4115315365. The cubic root of 1255322 is about 107.8743967335.

The spelling of 1255322 in words is "one million, two hundred fifty-five thousand, three hundred twenty-two".