1255495 has 4 divisors (see below), whose sum is σ = 1506600. Its totient is φ = 1004392.

The previous prime is 1255477. The next prime is 1255519. The reversal of 1255495 is 5945521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5945521 = 31 ⋅191791.

It is a cyclic number.

It is not a de Polignac number, because 1255495 - 2⁷ = 1255367 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125545 + ... + 125554.

It is an arithmetic number, because the mean of its divisors is an integer number (376650).

2^1255495 is an apocalyptic number.

1255495 is a deficient number, since it is larger than the sum of its proper divisors (251105).

1255495 is an equidigital number, since it uses as much as digits as its factorization.

1255495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251104.

The product of its digits is 9000, while the sum is 31.

The square root of 1255495 is about 1120.4887326520. The cubic root of 1255495 is about 107.8793520128.

The spelling of 1255495 in words is "one million, two hundred fifty-five thousand, four hundred ninety-five".