120642913 has 8 divisors (see below), whose sum is σ = 127524320. Its totient is φ = 113814720.

The previous prime is 120642911. The next prime is 120642919. The reversal of 120642913 is 319246021.

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 120642913 - 2¹ = 120642911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120642911) 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, 8595 + ... + 17752.

It is an arithmetic number, because the mean of its divisors is an integer number (15940540).

Almost surely, 2^120642913 is an apocalyptic number.

It is an amenable number.

120642913 is a deficient number, since it is larger than the sum of its proper divisors (6881407).

120642913 is a wasteful number, since it uses less digits than its factorization.

120642913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26607.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 120642913 is about 10983.7567799000. The cubic root of 120642913 is about 494.1217129765.

Adding to 120642913 its reverse (319246021), we get a palindrome (439888934).

The spelling of 120642913 in words is "one hundred twenty million, six hundred forty-two thousand, nine hundred thirteen".