2169126 has 16 divisors (see below), whose sum is σ = 4820400. Its totient is φ = 723024.

The previous prime is 2169109. The next prime is 2169133. The reversal of 2169126 is 6219612.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2169126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20031 + ... + 20138.

It is an arithmetic number, because the mean of its divisors is an integer number (301275).

2^2169126 is an apocalyptic number.

2169126 is an abundant number, since it is smaller than the sum of its proper divisors (2651274).

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

2169126 is a wasteful number, since it uses less digits than its factorization.

2169126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40180 (or 40174 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 2169126 is about 1472.7953014591. The cubic root of 2169126 is about 129.4478753466.

It can be divided in two parts, 216 and 9126, that multiplied together give a square (1971216 = 1404²).

The spelling of 2169126 in words is "two million, one hundred sixty-nine thousand, one hundred twenty-six".