1012102 has 32 divisors (see below), whose sum is σ = 1919232. Its totient is φ = 389664.

The previous prime is 1012097. The next prime is 1012103. The reversal of 1012102 is 2012101.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012103) 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 15 ways as a sum of consecutive naturals, for example, 12153 + ... + 12235.

It is an arithmetic number, because the mean of its divisors is an integer number (59976).

2^1012102 is an apocalyptic number.

1012102 is a deficient number, since it is larger than the sum of its proper divisors (907130).

1012102 is a wasteful number, since it uses less digits than its factorization.

1012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1012102 is about 1006.0328026461. The cubic root of 1012102 is about 100.4017835379.

Adding to 1012102 its reverse (2012101), we get a palindrome (3024203).

Subtracting 1012102 from its reverse (2012101), we obtain a palindrome (999999).

The spelling of 1012102 in words is "one million, twelve thousand, one hundred two".