1255258 has 8 divisors (see below), whose sum is σ = 1913940. Its totient is φ = 617280.

The previous prime is 1255253. The next prime is 1255259. The reversal of 1255258 is 8525521.

It can be written as a sum of positive squares in 2 ways, for example, as 1247689 + 7569 = 1117^2 + 87^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1255253) 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 in 3 ways as a sum of consecutive naturals, for example, 5023 + ... + 5266.

2^1255258 is an apocalyptic number.

1255258 is a deficient number, since it is larger than the sum of its proper divisors (658682).

1255258 is a wasteful number, since it uses less digits than its factorization.

1255258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10352.

The product of its digits is 4000, while the sum is 28.

The square root of 1255258 is about 1120.3829702383. The cubic root of 1255258 is about 107.8725634512.

The spelling of 1255258 in words is "one million, two hundred fifty-five thousand, two hundred fifty-eight".