120643713 has 12 divisors (see below), whose sum is σ = 184514148. Its totient is φ = 75697920.

The previous prime is 120643703. The next prime is 120643739. The reversal of 120643713 is 317346021.

120643713 is a `hidden beast` number, since 1 + 2 + 0 + 643 + 7 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 95121009 + 25522704 = 9753^2 + 5052^2 .

It is not a de Polignac number, because 120643713 - 2¹⁷ = 120512641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120643703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394108 + ... + 394413.

It is an arithmetic number, because the mean of its divisors is an integer number (15376179).

Almost surely, 2^120643713 is an apocalyptic number.

It is an amenable number.

120643713 is a deficient number, since it is larger than the sum of its proper divisors (63870435).

120643713 is a wasteful number, since it uses less digits than its factorization.

120643713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788544 (or 788541 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 120643713 is about 10983.7931972520. The cubic root of 120643713 is about 494.1228051707.

Adding to 120643713 its reverse (317346021), we get a palindrome (437989734).

The spelling of 120643713 in words is "one hundred twenty million, six hundred forty-three thousand, seven hundred thirteen".