2130887 has 8 divisors (see below), whose sum is σ = 2335872. Its totient is φ = 1927800.

The previous prime is 2130857. The next prime is 2130901. The reversal of 2130887 is 7880312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2130887 - 2⁸ = 2130631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3062 + ... + 3692.

It is an arithmetic number, because the mean of its divisors is an integer number (291984).

2^2130887 is an apocalyptic number.

2130887 is a deficient number, since it is larger than the sum of its proper divisors (204985).

2130887 is a wasteful number, since it uses less digits than its factorization.

2130887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2130887 is about 1459.7558014956. The cubic root of 2130887 is about 128.6826926921.

The spelling of 2130887 in words is "two million, one hundred thirty thousand, eight hundred eighty-seven".