1802115 has 32 divisors (see below), whose sum is σ = 3663360. Its totient is φ = 823392.

The previous prime is 1802113. The next prime is 1802117. The reversal of 1802115 is 5112081.

It is an interprime number because it is at equal distance from previous prime (1802113) and next prime (1802117).

It is not a de Polignac number, because 1802115 - 2¹ = 1802113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1802113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9 + ... + 1898.

It is an arithmetic number, because the mean of its divisors is an integer number (114480).

2^1802115 is an apocalyptic number.

1802115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1802115 is an abundant number, since it is smaller than the sum of its proper divisors (1861245).

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

1802115 is a wasteful number, since it uses less digits than its factorization.

1802115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1802115 is about 1342.4287690600. The cubic root of 1802115 is about 121.6916651787.

Adding to 1802115 its reverse (5112081), we get a palindrome (6914196).

The spelling of 1802115 in words is "one million, eight hundred two thousand, one hundred fifteen".