1284102 has 12 divisors (see below), whose sum is σ = 2782260. Its totient is φ = 428028.

The previous prime is 1284083. The next prime is 1284131. The reversal of 1284102 is 2014821.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 71339 = 1284102 / (1 + 2 + 8 + 4 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35652 + ... + 35687.

It is an arithmetic number, because the mean of its divisors is an integer number (231855).

2^1284102 is an apocalyptic number.

1284102 is an abundant number, since it is smaller than the sum of its proper divisors (1498158).

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

1284102 is a wasteful number, since it uses less digits than its factorization.

1284102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71347 (or 71344 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1284102 is about 1133.1822448309. The cubic root of 1284102 is about 108.6925657883.

Adding to 1284102 its reverse (2014821), we get a palindrome (3298923).

The spelling of 1284102 in words is "one million, two hundred eighty-four thousand, one hundred two".