65214121 has 8 divisors (see below), whose sum is σ = 74918144. Its totient is φ = 55607040.

The previous prime is 65214113. The next prime is 65214157. The reversal of 65214121 is 12141256.

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 65214121 - 2³ = 65214113 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 65214092 and 65214101.

It is not an unprimeable number, because it can be changed into a prime (65215121) 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, 22785 + ... + 25486.

It is an arithmetic number, because the mean of its divisors is an integer number (9364768).

Almost surely, 2^65214121 is an apocalyptic number.

It is an amenable number.

65214121 is a deficient number, since it is larger than the sum of its proper divisors (9704023).

65214121 is a wasteful number, since it uses less digits than its factorization.

65214121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48471.

The product of its digits is 480, while the sum is 22.

The square root of 65214121 is about 8075.5260509765. The cubic root of 65214121 is about 402.5135903234.

Adding to 65214121 its reverse (12141256), we get a palindrome (77355377).

The spelling of 65214121 in words is "sixty-five million, two hundred fourteen thousand, one hundred twenty-one".