2121460 has 24 divisors (see below), whose sum is σ = 4860576. Its totient is φ = 771360.

The previous prime is 2121443. The next prime is 2121461. The reversal of 2121460 is 641212.

2121460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121461) 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 7 ways as a sum of consecutive naturals, for example, 4602 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (202524).

2^2121460 is an apocalyptic number.

2121460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121460 is an abundant number, since it is smaller than the sum of its proper divisors (2739116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121460 is a wasteful number, since it uses less digits than its factorization.

2121460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9663 (or 9661 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2121460 is about 1456.5232576241. The cubic root of 2121460 is about 128.4926489761.

Adding to 2121460 its reverse (641212), we get a palindrome (2762672).

The spelling of 2121460 in words is "two million, one hundred twenty-one thousand, four hundred sixty".