121323208 has 16 divisors (see below), whose sum is σ = 239454000. Its totient is φ = 57468816.

The previous prime is 121323199. The next prime is 121323221. The reversal of 121323208 is 802323121.

It is a super-2 number, since 2×121323208² = 29438641598822528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398938 + ... + 399241.

It is an arithmetic number, because the mean of its divisors is an integer number (14965875).

Almost surely, 2^121323208 is an apocalyptic number.

It is an amenable number.

121323208 is a deficient number, since it is larger than the sum of its proper divisors (118130792).

121323208 is a wasteful number, since it uses less digits than its factorization.

121323208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798204 (or 798200 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 121323208 is about 11014.6814751948. The cubic root of 121323208 is about 495.0487426069.

Adding to 121323208 its reverse (802323121), we get a palindrome (923646329).

The spelling of 121323208 in words is "one hundred twenty-one million, three hundred twenty-three thousand, two hundred eight".