1812102 has 16 divisors (see below), whose sum is σ = 3671040. Its totient is φ = 596232.

The previous prime is 1812091. The next prime is 1812103. The reversal of 1812102 is 2012181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1812103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438 + ... + 2385.

It is an arithmetic number, because the mean of its divisors is an integer number (229440).

2^1812102 is an apocalyptic number.

1812102 is an abundant number, since it is smaller than the sum of its proper divisors (1858938).

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

1812102 is a wasteful number, since it uses less digits than its factorization.

1812102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1812102 is about 1346.1433801791. The cubic root of 1812102 is about 121.9160490260.

Adding to 1812102 its reverse (2012181), we get a palindrome (3824283).

The spelling of 1812102 in words is "one million, eight hundred twelve thousand, one hundred two".