2130104 has 16 divisors (see below), whose sum is σ = 4023000. Its totient is φ = 1057312.

The previous prime is 2130101. The next prime is 2130133. The reversal of 2130104 is 4010312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299 + ... + 2085.

2^2130104 is an apocalyptic number.

It is an amenable number.

2130104 is a deficient number, since it is larger than the sum of its proper divisors (1892896).

2130104 is a wasteful number, since it uses less digits than its factorization.

2130104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2130104 is about 1459.4875813106. The cubic root of 2130104 is about 128.6669291639. Note that the first 3 decimals are identical.

Adding to 2130104 its reverse (4010312), we get a palindrome (6140416).

The spelling of 2130104 in words is "two million, one hundred thirty thousand, one hundred four".