2412921 has 8 divisors (see below), whose sum is σ = 3676864. Its totient is φ = 1378800.

The previous prime is 2412899. The next prime is 2412941. The reversal of 2412921 is 1292142.

2412921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2412921 - 2⁶ = 2412857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 114901 = 2412921 / (2 + 4 + 1 + 2 + 9 + 2 + 1).

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2412941) 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, 57430 + ... + 57471.

It is an arithmetic number, because the mean of its divisors is an integer number (459608).

2^2412921 is an apocalyptic number.

2412921 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2412921 is a deficient number, since it is larger than the sum of its proper divisors (1263943).

2412921 is a wasteful number, since it uses less digits than its factorization.

2412921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114911.

The product of its digits is 288, while the sum is 21.

The square root of 2412921 is about 1553.3579754841. The cubic root of 2412921 is about 134.1264307588.

It can be divided in two parts, 2412 and 921, that added together give a palindrome (3333).

The spelling of 2412921 in words is "two million, four hundred twelve thousand, nine hundred twenty-one".