2126128 has 20 divisors (see below), whose sum is σ = 4171608. Its totient is φ = 1049600.

The previous prime is 2126101. The next prime is 2126129. The reversal of 2126128 is 8216212.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 2126099 and 2126108.

It is not an unprimeable number, because it can be changed into a prime (2126129) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 528 + ... + 2128.

2^2126128 is an apocalyptic number.

It is an amenable number.

2126128 is a deficient number, since it is larger than the sum of its proper divisors (2045480).

2126128 is a wasteful number, since it uses less digits than its factorization.

2126128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692 (or 1686 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 2126128 is about 1458.1248231890. The cubic root of 2126128 is about 128.5868237885.

The spelling of 2126128 in words is "two million, one hundred twenty-six thousand, one hundred twenty-eight".