2121362 has 16 divisors (see below), whose sum is σ = 3449952. Its totient is φ = 974400.

The previous prime is 2121341. The next prime is 2121367. The reversal of 2121362 is 2631212.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 2121362.

It is not an unprimeable number, because it can be changed into a prime (2121367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737 + ... + 2187.

It is an arithmetic number, because the mean of its divisors is an integer number (215622).

2^2121362 is an apocalyptic number.

2121362 is a deficient number, since it is larger than the sum of its proper divisors (1328590).

2121362 is a wasteful number, since it uses less digits than its factorization.

2121362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513.

The product of its digits is 144, while the sum is 17.

The square root of 2121362 is about 1456.4896154796. The cubic root of 2121362 is about 128.4906703901.

Adding to 2121362 its reverse (2631212), we get a palindrome (4752574).

The spelling of 2121362 in words is "two million, one hundred twenty-one thousand, three hundred sixty-two".