1205256 has 32 divisors (see below), whose sum is σ = 3245760. Its totient is φ = 370752.

The previous prime is 1205251. The next prime is 1205257. The reversal of 1205256 is 6525021.

It is not an unprimeable number, because it can be changed into a prime (1205251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1620 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (101430).

2^1205256 is an apocalyptic number.

It is an amenable number.

1205256 is an abundant number, since it is smaller than the sum of its proper divisors (2040504).

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

1205256 is a wasteful number, since it uses less digits than its factorization.

1205256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885 (or 3881 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1205256 is about 1097.8415186173. The cubic root of 1205256 is about 106.4207791026.

The spelling of 1205256 in words is "one million, two hundred five thousand, two hundred fifty-six".