64346121 has 12 divisors (see below), whose sum is σ = 106222272. Its totient is φ = 36769176.

The previous prime is 64346119. The next prime is 64346123. The reversal of 64346121 is 12164346.

64346121 is a `hidden beast` number, since 6 + 43 + 4 + 612 + 1 = 666.

64346121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64346119) and next prime (64346123).

It is not a de Polignac number, because 64346121 - 2¹ = 64346119 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64346123) 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 11 ways as a sum of consecutive naturals, for example, 510621 + ... + 510746.

It is an arithmetic number, because the mean of its divisors is an integer number (8851856).

Almost surely, 2^64346121 is an apocalyptic number.

It is an amenable number.

64346121 is a deficient number, since it is larger than the sum of its proper divisors (41876151).

64346121 is a wasteful number, since it uses less digits than its factorization.

64346121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021380 (or 1021377 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 64346121 is about 8021.6033933373. The cubic root of 64346121 is about 400.7197893978.

It can be divided in two parts, 643 and 46121, that added together give a palindrome (46764).

The spelling of 64346121 in words is "sixty-four million, three hundred forty-six thousand, one hundred twenty-one".