1205288 has 16 divisors (see below), whose sum is σ = 2582880. Its totient is φ = 516528.

The previous prime is 1205287. The next prime is 1205293. The reversal of 1205288 is 8825021.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1205287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10706 + ... + 10817.

It is an arithmetic number, because the mean of its divisors is an integer number (161430).

2^1205288 is an apocalyptic number.

It is an amenable number.

1205288 is an abundant number, since it is smaller than the sum of its proper divisors (1377592).

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

1205288 is a wasteful number, since it uses less digits than its factorization.

1205288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21536 (or 21532 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1205288 is about 1097.8560925732. The cubic root of 1205288 is about 106.4217209315.

The spelling of 1205288 in words is "one million, two hundred five thousand, two hundred eighty-eight".