1255274 has 4 divisors (see below), whose sum is σ = 1882914. Its totient is φ = 627636.

The previous prime is 1255259. The next prime is 1255279. The reversal of 1255274 is 4725521.

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

It can be written as a sum of positive squares in only one way, i.e., 889249 + 366025 = 943^2 + 605^2 .

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1255279) 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, 313817 + ... + 313820.

2^1255274 is an apocalyptic number.

1255274 is a deficient number, since it is larger than the sum of its proper divisors (627640).

1255274 is an equidigital number, since it uses as much as digits as its factorization.

1255274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627639.

The product of its digits is 2800, while the sum is 26.

The square root of 1255274 is about 1120.3901106311. The cubic root of 1255274 is about 107.8730217776.

The spelling of 1255274 in words is "one million, two hundred fifty-five thousand, two hundred seventy-four".