121641622 has 8 divisors (see below), whose sum is σ = 183855672. Its totient is φ = 60356400.

The previous prime is 121641601. The next prime is 121641671. The reversal of 121641622 is 226146121.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231879 + ... + 232402.

It is an arithmetic number, because the mean of its divisors is an integer number (22981959).

Almost surely, 2^121641622 is an apocalyptic number.

121641622 is a deficient number, since it is larger than the sum of its proper divisors (62214050).

121641622 is a wasteful number, since it uses less digits than its factorization.

121641622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464414.

The product of its digits is 1152, while the sum is 25.

The square root of 121641622 is about 11029.1260759863. The cubic root of 121641622 is about 495.4814511071.

Adding to 121641622 its reverse (226146121), we get a palindrome (347787743).

The spelling of 121641622 in words is "one hundred twenty-one million, six hundred forty-one thousand, six hundred twenty-two".