12450121 has 8 divisors (see below), whose sum is σ = 12808800. Its totient is φ = 12096480.

The previous prime is 12450079. The next prime is 12450131. The reversal of 12450121 is 12105421.

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

It is a cyclic number.

It is not a de Polignac number, because 12450121 - 2¹⁹ = 11925833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12450095 and 12450104.

It is not an unprimeable number, because it can be changed into a prime (12450131) 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, 4066 + ... + 6436.

It is an arithmetic number, because the mean of its divisors is an integer number (1601100).

Almost surely, 2^12450121 is an apocalyptic number.

It is an amenable number.

12450121 is a deficient number, since it is larger than the sum of its proper divisors (358679).

12450121 is an equidigital number, since it uses as much as digits as its factorization.

12450121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 12450121 is about 3528.4728991449. The cubic root of 12450121 is about 231.7703397642.

Adding to 12450121 its reverse (12105421), we get a palindrome (24555542).

The spelling of 12450121 in words is "twelve million, four hundred fifty thousand, one hundred twenty-one".