121644322 has 8 divisors (see below), whose sum is σ = 183384000. Its totient is φ = 60516324.

The previous prime is 121644317. The next prime is 121644337. The reversal of 121644322 is 223446121.

It is a happy number.

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

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, 152422 + ... + 153217.

It is an arithmetic number, because the mean of its divisors is an integer number (22923000).

Almost surely, 2^121644322 is an apocalyptic number.

121644322 is a deficient number, since it is larger than the sum of its proper divisors (61739678).

121644322 is a wasteful number, since it uses less digits than its factorization.

121644322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305840.

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

The square root of 121644322 is about 11029.2484784776. The cubic root of 121644322 is about 495.4851170399.

The spelling of 121644322 in words is "one hundred twenty-one million, six hundred forty-four thousand, three hundred twenty-two".