2126973 has 4 divisors (see below), whose sum is σ = 2835968. Its totient is φ = 1417980.

The previous prime is 2126963. The next prime is 2127007. The reversal of 2126973 is 3796212.

2126973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-2126973 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2126973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354493 + ... + 354498.

It is an arithmetic number, because the mean of its divisors is an integer number (708992).

2^2126973 is an apocalyptic number.

It is an amenable number.

2126973 is a deficient number, since it is larger than the sum of its proper divisors (708995).

2126973 is an equidigital number, since it uses as much as digits as its factorization.

2126973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708994.

The product of its digits is 4536, while the sum is 30.

The square root of 2126973 is about 1458.4145501194. The cubic root of 2126973 is about 128.6038565470.

The spelling of 2126973 in words is "two million, one hundred twenty-six thousand, nine hundred seventy-three".