121223446 has 16 divisors (see below), whose sum is σ = 184803840. Its totient is φ = 59627880.

The previous prime is 121223419. The next prime is 121223461. The reversal of 121223446 is 644322121.

It is a happy number.

It is a super-2 number, since 2×121223446² = 29390247720229832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121223446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47905 + ... + 50371.

It is an arithmetic number, because the mean of its divisors is an integer number (11550240).

Almost surely, 2^121223446 is an apocalyptic number.

121223446 is a deficient number, since it is larger than the sum of its proper divisors (63580394).

121223446 is a wasteful number, since it uses less digits than its factorization.

121223446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859.

The product of its digits is 2304, while the sum is 25.

The square root of 121223446 is about 11010.1519517216. The cubic root of 121223446 is about 494.9130153585.

Adding to 121223446 its reverse (644322121), we get a palindrome (765545567).

The spelling of 121223446 in words is "one hundred twenty-one million, two hundred twenty-three thousand, four hundred forty-six".