64127141 has 8 divisors (see below), whose sum is σ = 69229944. Its totient is φ = 59048640.

The previous prime is 64127131. The next prime is 64127177. The reversal of 64127141 is 14172146.

It can be written as a sum of positive squares in 4 ways, for example, as 15880225 + 48246916 = 3985^2 + 6946^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64127141 is a prime.

It is a super-2 number, since 2×64127141² = 8224580425667762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64127141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64127101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 386 + ... + 11331.

It is an arithmetic number, because the mean of its divisors is an integer number (8653743).

Almost surely, 2^64127141 is an apocalyptic number.

It is an amenable number.

64127141 is a deficient number, since it is larger than the sum of its proper divisors (5102803).

64127141 is a wasteful number, since it uses less digits than its factorization.

64127141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12151.

The product of its digits is 1344, while the sum is 26.

The square root of 64127141 is about 8007.9423699225. The cubic root of 64127141 is about 400.2647018770.

Adding to 64127141 its reverse (14172146), we get a palindrome (78299287).

The spelling of 64127141 in words is "sixty-four million, one hundred twenty-seven thousand, one hundred forty-one".