2120102 has 4 divisors (see below), whose sum is σ = 3180156. Its totient is φ = 1060050.

The previous prime is 2120101. The next prime is 2120113. The reversal of 2120102 is 2010212.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2120102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530024 + ... + 530027.

It is an arithmetic number, because the mean of its divisors is an integer number (795039).

2^2120102 is an apocalyptic number.

2120102 is a deficient number, since it is larger than the sum of its proper divisors (1060054).

2120102 is a wasteful number, since it uses less digits than its factorization.

2120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060053.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 2120102 is about 1456.0570043786. The cubic root of 2120102 is about 128.4652259965.

Adding to 2120102 its reverse (2010212), we get a palindrome (4130314).

It can be divided in two parts, 2120 and 102, that added together give a palindrome (2222).

The spelling of 2120102 in words is "two million, one hundred twenty thousand, one hundred two".