2121452 has 12 divisors (see below), whose sum is σ = 3729096. Its totient is φ = 1056000.

The previous prime is 2121443. The next prime is 2121461. The reversal of 2121452 is 2541212.

2121452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2121443) and next prime (2121461).

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2121452.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 53 + ... + 2060.

It is an arithmetic number, because the mean of its divisors is an integer number (310758).

2^2121452 is an apocalyptic number.

It is an amenable number.

2121452 is a deficient number, since it is larger than the sum of its proper divisors (1607644).

2121452 is a wasteful number, since it uses less digits than its factorization.

2121452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368 (or 2366 counting only the distinct ones).

The product of its digits is 160, while the sum is 17.

The square root of 2121452 is about 1456.5205113557. The cubic root of 2121452 is about 128.4924874612.

Adding to 2121452 its reverse (2541212), we get a palindrome (4662664).

The spelling of 2121452 in words is "two million, one hundred twenty-one thousand, four hundred fifty-two".