2130487 has 4 divisors (see below), whose sum is σ = 2146176. Its totient is φ = 2114800.

The previous prime is 2130473. The next prime is 2130493. The reversal of 2130487 is 7840312.

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

It is a cyclic number.

It is not a de Polignac number, because 2130487 - 2¹¹ = 2128439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130437) 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, 7639 + ... + 7912.

It is an arithmetic number, because the mean of its divisors is an integer number (536544).

2^2130487 is an apocalyptic number.

2130487 is a deficient number, since it is larger than the sum of its proper divisors (15689).

2130487 is a wasteful number, since it uses less digits than its factorization.

2130487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15688.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2130487 is about 1459.6187858479. The cubic root of 2130487 is about 128.6746402867.

Adding to 2130487 its reverse (7840312), we get a palindrome (9970799).

The spelling of 2130487 in words is "two million, one hundred thirty thousand, four hundred eighty-seven".