121610338 has 16 divisors (see below), whose sum is σ = 194400000. Its totient is φ = 56922976.

The previous prime is 121610329. The next prime is 121610339. The reversal of 121610338 is 833016121.

It is not an unprimeable number, because it can be changed into a prime (121610339) 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, 25963 + ... + 30286.

It is an arithmetic number, because the mean of its divisors is an integer number (12150000).

Almost surely, 2^121610338 is an apocalyptic number.

121610338 is a deficient number, since it is larger than the sum of its proper divisors (72789662).

121610338 is a wasteful number, since it uses less digits than its factorization.

121610338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56321.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 121610338 is about 11027.7077400519. The cubic root of 121610338 is about 495.4389712101.

Adding to 121610338 its reverse (833016121), we get a palindrome (954626459).

The spelling of 121610338 in words is "one hundred twenty-one million, six hundred ten thousand, three hundred thirty-eight".