65120701 has 4 divisors (see below), whose sum is σ = 65275804. Its totient is φ = 64965600.

The previous prime is 65120651. The next prime is 65120707. The reversal of 65120701 is 10702156.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20884900 + 44235801 = 4570^2 + 6651^2 .

It is a cyclic number.

It is not a de Polignac number, because 65120701 - 2²¹ = 63023549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65120707) 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, 76920 + ... + 77761.

It is an arithmetic number, because the mean of its divisors is an integer number (16318951).

Almost surely, 2^65120701 is an apocalyptic number.

It is an amenable number.

65120701 is a deficient number, since it is larger than the sum of its proper divisors (155103).

65120701 is a wasteful number, since it uses less digits than its factorization.

65120701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155102.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 65120701 is about 8069.7398347159. The cubic root of 65120701 is about 402.3212966461.

Adding to 65120701 its reverse (10702156), we get a palindrome (75822857).

The spelling of 65120701 in words is "sixty-five million, one hundred twenty thousand, seven hundred one".