121246223 has 8 divisors (see below), whose sum is σ = 140839200. Its totient is φ = 102221280.

The previous prime is 121246219. The next prime is 121246231. The reversal of 121246223 is 322642121.

It is a happy number.

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

It is not a de Polignac number, because 121246223 - 2² = 121246219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121246253) 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, 141548 + ... + 142401.

It is an arithmetic number, because the mean of its divisors is an integer number (17604900).

Almost surely, 2^121246223 is an apocalyptic number.

121246223 is a deficient number, since it is larger than the sum of its proper divisors (19592977).

121246223 is an equidigital number, since it uses as much as digits as its factorization.

121246223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284017.

The product of its digits is 1152, while the sum is 23.

The square root of 121246223 is about 11011.1862667017. The cubic root of 121246223 is about 494.9440102642.

Adding to 121246223 its reverse (322642121), we get a palindrome (443888344).

The spelling of 121246223 in words is "one hundred twenty-one million, two hundred forty-six thousand, two hundred twenty-three".