1987102 has 12 divisors (see below), whose sum is σ = 3228120. Its totient is φ = 916968.

The previous prime is 1987099. The next prime is 1987121. The reversal of 1987102 is 2017891.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2602 + ... + 3277.

It is an arithmetic number, because the mean of its divisors is an integer number (269010).

2^1987102 is an apocalyptic number.

1987102 is a deficient number, since it is larger than the sum of its proper divisors (1241018).

1987102 is a wasteful number, since it uses less digits than its factorization.

1987102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907 (or 5894 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1987102 is about 1409.6460548663. The cubic root of 1987102 is about 125.7206796482.

The spelling of 1987102 in words is "one million, nine hundred eighty-seven thousand, one hundred two".