2130878 has 8 divisors (see below), whose sum is σ = 3299520. Its totient is φ = 1031040.

The previous prime is 2130857. The next prime is 2130901. The reversal of 2130878 is 8780312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2130878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17123 + ... + 17246.

It is an arithmetic number, because the mean of its divisors is an integer number (412440).

2^2130878 is an apocalyptic number.

2130878 is a deficient number, since it is larger than the sum of its proper divisors (1168642).

2130878 is a wasteful number, since it uses less digits than its factorization.

2130878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34402.

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

The square root of 2130878 is about 1459.7527187849. The cubic root of 2130878 is about 128.6825115241.

The spelling of 2130878 in words is "two million, one hundred thirty thousand, eight hundred seventy-eight".