1205868 has 18 divisors (see below), whose sum is σ = 2822596. Its totient is φ = 400688.

The previous prime is 1205843. The next prime is 1205891. The reversal of 1205868 is 8685021.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3646 + ... + 3962.

2^1205868 is an apocalyptic number.

It is an amenable number.

1205868 is an abundant number, since it is smaller than the sum of its proper divisors (1616728).

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

1205868 is an equidigital number, since it uses as much as digits as its factorization.

1205868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1205868 is about 1098.1202119987. The cubic root of 1205868 is about 106.4387886918.

The spelling of 1205868 in words is "one million, two hundred five thousand, eight hundred sixty-eight".