64120001 has 8 divisors (see below), whose sum is σ = 71840064. Its totient is φ = 56715120.

The previous prime is 64119977. The next prime is 64120027. The reversal of 64120001 is 10002146.

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

It is a de Polignac number, because none of the positive numbers 2^k-64120001 is a prime.

It is a super-2 number, since 2×64120001² = 8222749056480002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64120051) 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, 78365 + ... + 79178.

It is an arithmetic number, because the mean of its divisors is an integer number (8980008).

Almost surely, 2^64120001 is an apocalyptic number.

It is an amenable number.

64120001 is a deficient number, since it is larger than the sum of its proper divisors (7720063).

64120001 is a wasteful number, since it uses less digits than its factorization.

64120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157591.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 64120001 is about 8007.4965501085. The cubic root of 64120001 is about 400.2498459933.

Adding to 64120001 its reverse (10002146), we get a palindrome (74122147).

The spelling of 64120001 in words is "sixty-four million, one hundred twenty thousand, one".