12122403 has 8 divisors (see below), whose sum is σ = 16866048. Its totient is φ = 7730184.

The previous prime is 12122401. The next prime is 12122419. The reversal of 12122403 is 30422121.

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

It is not a de Polignac number, because 12122403 - 2¹ = 12122401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87775 + ... + 87912.

It is an arithmetic number, because the mean of its divisors is an integer number (2108256).

Almost surely, 2^12122403 is an apocalyptic number.

12122403 is a deficient number, since it is larger than the sum of its proper divisors (4743645).

12122403 is a wasteful number, since it uses less digits than its factorization.

12122403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175713.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12122403 is about 3481.7241418585. The cubic root of 12122403 is about 229.7186414623.

Adding to 12122403 its reverse (30422121), we get a palindrome (42544524).

The spelling of 12122403 in words is "twelve million, one hundred twenty-two thousand, four hundred three".