2130788 has 24 divisors (see below), whose sum is σ = 4126080. Its totient is φ = 954720.

The previous prime is 2130769. The next prime is 2130803. The reversal of 2130788 is 8870312.

It is a self number, because there is not a number n which added to its sum of digits gives 2130788.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3170 + ... + 3782.

It is an arithmetic number, because the mean of its divisors is an integer number (171920).

2^2130788 is an apocalyptic number.

It is an amenable number.

2130788 is a deficient number, since it is larger than the sum of its proper divisors (1995292).

2130788 is a wasteful number, since it uses less digits than its factorization.

2130788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 705 counting only the distinct ones).

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

The square root of 2130788 is about 1459.7218913204. The cubic root of 2130788 is about 128.6806998156.

It can be divided in two parts, 21307 and 88, that multiplied together give a triangular number (1875016 = T₁₉₃₆).

The spelling of 2130788 in words is "two million, one hundred thirty thousand, seven hundred eighty-eight".