1288238 has 32 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 501984.

The previous prime is 1288213. The next prime is 1288247. The reversal of 1288238 is 8328821.

It is a Curzon number.

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, 7631 + ... + 7797.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2^1288238 is an apocalyptic number.

1288238 is a deficient number, since it is larger than the sum of its proper divisors (1130962).

1288238 is a wasteful number, since it uses less digits than its factorization.

1288238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its digits is 6144, while the sum is 32.

The square root of 1288238 is about 1135.0057268578. The cubic root of 1288238 is about 108.8091376949.

The spelling of 1288238 in words is "one million, two hundred eighty-eight thousand, two hundred thirty-eight".