64122121 has 8 divisors (see below), whose sum is σ = 73656000. Its totient is φ = 54681648.

The previous prime is 64122109. The next prime is 64122143. The reversal of 64122121 is 12122146.

64122121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64122121 - 2¹⁵ = 64089353 is a prime.

It is a super-2 number, since 2×64122121² = 8223292803077282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64122101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21871 + ... + 24628.

It is an arithmetic number, because the mean of its divisors is an integer number (9207000).

Almost surely, 2^64122121 is an apocalyptic number.

It is an amenable number.

64122121 is a deficient number, since it is larger than the sum of its proper divisors (9533879).

64122121 is a wasteful number, since it uses less digits than its factorization.

64122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46703.

The product of its digits is 192, while the sum is 19.

The square root of 64122121 is about 8007.6289249690. The cubic root of 64122121 is about 400.2542570991.

Adding to 64122121 its reverse (12122146), we get a palindrome (76244267).

The spelling of 64122121 in words is "sixty-four million, one hundred twenty-two thousand, one hundred twenty-one".