1255668 has 12 divisors (see below), whose sum is σ = 2929920. Its totient is φ = 418552.

The previous prime is 1255663. The next prime is 1255679. The reversal of 1255668 is 8665521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52308 + ... + 52331.

It is an arithmetic number, because the mean of its divisors is an integer number (244160).

2^1255668 is an apocalyptic number.

It is an amenable number.

1255668 is an abundant number, since it is smaller than the sum of its proper divisors (1674252).

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

1255668 is a wasteful number, since it uses less digits than its factorization.

1255668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104646 (or 104644 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 1255668 is about 1120.5659284487. The cubic root of 1255668 is about 107.8843068369.

The spelling of 1255668 in words is "one million, two hundred fifty-five thousand, six hundred sixty-eight".