1255546 has 4 divisors (see below), whose sum is σ = 1883322. Its totient is φ = 627772.

The previous prime is 1255519. The next prime is 1255549. The reversal of 1255546 is 6455521.

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., 1243225 + 12321 = 1115^2 + 111^2 .

It is not an unprimeable number, because it can be changed into a prime (1255549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313885 + ... + 313888.

2^1255546 is an apocalyptic number.

1255546 is a deficient number, since it is larger than the sum of its proper divisors (627776).

1255546 is an equidigital number, since it uses as much as digits as its factorization.

1255546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627775.

The product of its digits is 6000, while the sum is 28.

The square root of 1255546 is about 1120.5114903472. The cubic root of 1255546 is about 107.8808127308.

It can be divided in two parts, 125 and 5546, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 1255546 in words is "one million, two hundred fifty-five thousand, five hundred forty-six".