65121046 has 8 divisors (see below), whose sum is σ = 98337600. Its totient is φ = 32341848.

The previous prime is 65121041. The next prime is 65121071. The reversal of 65121046 is 64012156.

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

It is a super-4 number, since 4×65121046⁴ (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65121046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65121041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108966 + ... + 109561.

It is an arithmetic number, because the mean of its divisors is an integer number (12292200).

Almost surely, 2^65121046 is an apocalyptic number.

65121046 is a deficient number, since it is larger than the sum of its proper divisors (33216554).

65121046 is a wasteful number, since it uses less digits than its factorization.

65121046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218678.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 65121046 is about 8069.7612108414. The cubic root of 65121046 is about 402.3220071248.

The spelling of 65121046 in words is "sixty-five million, one hundred twenty-one thousand, forty-six".