1802042 has 16 divisors (see below), whose sum is σ = 2981664. Its totient is φ = 810000.

The previous prime is 1802039. The next prime is 1802057. The reversal of 1802042 is 2402081.

It is a self number, because there is not a number n which added to its sum of digits gives 1802042.

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, 1817 + ... + 2627.

It is an arithmetic number, because the mean of its divisors is an integer number (186354).

2^1802042 is an apocalyptic number.

1802042 is a deficient number, since it is larger than the sum of its proper divisors (1179622).

1802042 is a wasteful number, since it uses less digits than its factorization.

1802042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1802042 is about 1342.4015792601. The cubic root of 1802042 is about 121.6900219962.

It can be divided in two parts, 180 and 2042, that added together give a palindrome (2222).

The spelling of 1802042 in words is "one million, eight hundred two thousand, forty-two".