2121301 has 8 divisors (see below), whose sum is σ = 2610944. Its totient is φ = 1678320.

The previous prime is 2121289. The next prime is 2121323. The reversal of 2121301 is 1031212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2121301 - 2¹³ = 2113109 is a prime.

It is a super-3 number, since 3×2121301³ = 28637041231033301703, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121341) 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, 11565 + ... + 11746.

It is an arithmetic number, because the mean of its divisors is an integer number (326368).

It is a Poulet number, since it divides 2^2121300-1.

2^2121301 is an apocalyptic number.

It is an amenable number.

2121301 is a deficient number, since it is larger than the sum of its proper divisors (489643).

2121301 is a wasteful number, since it uses less digits than its factorization.

2121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23331.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2121301 is about 1456.4686745687. The cubic root of 2121301 is about 128.4894387905.

Adding to 2121301 its reverse (1031212), we get a palindrome (3152513).

The spelling of 2121301 in words is "two million, one hundred twenty-one thousand, three hundred one".