1255446 has 32 divisors (see below), whose sum is σ = 2839680. Its totient is φ = 411048.

The previous prime is 1255427. The next prime is 1255451. The reversal of 1255446 is 6445521.

It is a super-2 number, since 2×1255446² = 3152289317832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3445 + ... + 3791.

It is an arithmetic number, because the mean of its divisors is an integer number (88740).

2^1255446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419840).

1255446 is an abundant number, since it is smaller than the sum of its proper divisors (1584234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255446 is a wasteful number, since it uses less digits than its factorization.

1255446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 419 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 1255446 is about 1120.4668669800. The cubic root of 1255446 is about 107.8779485406.

The spelling of 1255446 in words is "one million, two hundred fifty-five thousand, four hundred forty-six".