1288042 has 8 divisors (see below), whose sum is σ = 2208096. Its totient is φ = 552012.

The previous prime is 1288037. The next prime is 1288043. The reversal of 1288042 is 2408821.

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

It is a junction number, because it is equal to n+sod(n) for n = 1287998 and 1288016.

It is not an unprimeable number, because it can be changed into a prime (1288043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45988 + ... + 46015.

It is an arithmetic number, because the mean of its divisors is an integer number (276012).

2^1288042 is an apocalyptic number.

1288042 is a deficient number, since it is larger than the sum of its proper divisors (920054).

1288042 is an equidigital number, since it uses as much as digits as its factorization.

1288042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92012.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1288042 is about 1134.9193803967. The cubic root of 1288042 is about 108.8036191306.

The spelling of 1288042 in words is "one million, two hundred eighty-eight thousand, forty-two".