64182121 has 8 divisors (see below), whose sum is σ = 69133824. Its totient is φ = 59410560.

The previous prime is 64182109. The next prime is 64182127. The reversal of 64182121 is 12128146.

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

It is a cyclic number.

It is not a de Polignac number, because 64182121 - 2¹¹ = 64180073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64182127) 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, 44296 + ... + 45721.

It is an arithmetic number, because the mean of its divisors is an integer number (8641728).

Almost surely, 2^64182121 is an apocalyptic number.

It is an amenable number.

64182121 is a deficient number, since it is larger than the sum of its proper divisors (4951703).

64182121 is a wasteful number, since it uses less digits than its factorization.

64182121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90071.

The product of its digits is 768, while the sum is 25.

The square root of 64182121 is about 8011.3744763305. The cubic root of 64182121 is about 400.3790594214.

The spelling of 64182121 in words is "sixty-four million, one hundred eighty-two thousand, one hundred twenty-one".