2009102 has 4 divisors (see below), whose sum is σ = 3013656. Its totient is φ = 1004550.

The previous prime is 2009093. The next prime is 2009107. The reversal of 2009102 is 2019002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2019002 = 2 ⋅1009501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502274 + ... + 502277.

It is an arithmetic number, because the mean of its divisors is an integer number (753414).

2^2009102 is an apocalyptic number.

2009102 is a deficient number, since it is larger than the sum of its proper divisors (1004554).

2009102 is a wasteful number, since it uses less digits than its factorization.

2009102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004553.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2009102 is about 1417.4279523136. The cubic root of 2009102 is about 126.1829457994.

The spelling of 2009102 in words is "two million, nine thousand, one hundred two".