1020102 has 32 divisors (see below), whose sum is σ = 2205792. Its totient is φ = 313344.

The previous prime is 1020101. The next prime is 1020109. The reversal of 1020102 is 2010201.

It is a happy number.

1020102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7378 + ... + 7514.

It is an arithmetic number, because the mean of its divisors is an integer number (68931).

2^1020102 is an apocalyptic number.

1020102 is an abundant number, since it is smaller than the sum of its proper divisors (1185690).

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

1020102 is a wasteful number, since it uses less digits than its factorization.

1020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 1020102 is about 1010.0009900985. Note that the first 3 decimals coincide. The cubic root of 1020102 is about 100.6656262532.

Adding to 1020102 its reverse (2010201), we get a palindrome (3030303).

Subtracting 1020102 from its reverse (2010201), we obtain a palindrome (990099).

The spelling of 1020102 in words is "one million, twenty thousand, one hundred two".