2021132 has 6 divisors (see below), whose sum is σ = 3536988. Its totient is φ = 1010564.

The previous prime is 2021119. The next prime is 2021137. The reversal of 2021132 is 2311202.

It is a happy number.

It is a super-2 number, since 2×2021132² = 8169949122848, which contains 22 as substring.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252638 + ... + 252645.

It is an arithmetic number, because the mean of its divisors is an integer number (589498).

2^2021132 is an apocalyptic number.

It is an amenable number.

2021132 is a deficient number, since it is larger than the sum of its proper divisors (1515856).

2021132 is a wasteful number, since it uses less digits than its factorization.

2021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505287 (or 505285 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2021132 is about 1421.6652207886. The cubic root of 2021132 is about 126.4342954261.

Adding to 2021132 its reverse (2311202), we get a palindrome (4332334).

The spelling of 2021132 in words is "two million, twenty-one thousand, one hundred thirty-two".