2021134 has 4 divisors (see below), whose sum is σ = 3031704. Its totient is φ = 1010566.

The previous prime is 2021119. The next prime is 2021137. The reversal of 2021134 is 4311202.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505282 + ... + 505285.

It is an arithmetic number, because the mean of its divisors is an integer number (757926).

2^2021134 is an apocalyptic number.

2021134 is a deficient number, since it is larger than the sum of its proper divisors (1010570).

2021134 is a wasteful number, since it uses less digits than its factorization.

2021134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010569.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2021134 is about 1421.6659241889. The cubic root of 2021134 is about 126.4343371302.

Adding to 2021134 its reverse (4311202), we get a palindrome (6332336).

The spelling of 2021134 in words is "two million, twenty-one thousand, one hundred thirty-four".