1288235 has 8 divisors (see below), whose sum is σ = 1664880. Its totient is φ = 951264.

The previous prime is 1288213. The next prime is 1288247. The reversal of 1288235 is 5328821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1288235 - 2⁶ = 1288171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1288198 and 1288207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9845 + ... + 9974.

It is an arithmetic number, because the mean of its divisors is an integer number (208110).

2^1288235 is an apocalyptic number.

1288235 is a deficient number, since it is larger than the sum of its proper divisors (376645).

1288235 is a wasteful number, since it uses less digits than its factorization.

1288235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19837.

The product of its digits is 3840, while the sum is 29.

The square root of 1288235 is about 1135.0044052778. The cubic root of 1288235 is about 108.8090532313.

The spelling of 1288235 in words is "one million, two hundred eighty-eight thousand, two hundred thirty-five".