2127188 has 18 divisors (see below), whose sum is σ = 4330746. Its totient is φ = 911568.

The previous prime is 2127163. The next prime is 2127269. The reversal of 2127188 is 8817212.

It can be written as a sum of positive squares in only one way, i.e., 1844164 + 283024 = 1358^2 + 532^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2127188.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5231 + ... + 5622.

It is an arithmetic number, because the mean of its divisors is an integer number (240597).

2^2127188 is an apocalyptic number.

2127188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2127188 is an abundant number, since it is smaller than the sum of its proper divisors (2203558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2127188 is a wasteful number, since it uses less digits than its factorization.

2127188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871 (or 10862 counting only the distinct ones).

The product of its digits is 1792, while the sum is 29.

The square root of 2127188 is about 1458.4882584375. The cubic root of 2127188 is about 128.6081896059.

The spelling of 2127188 in words is "two million, one hundred twenty-seven thousand, one hundred eighty-eight".