120668061 has 4 divisors (see below), whose sum is σ = 160890752. Its totient is φ = 80445372.

The previous prime is 120668059. The next prime is 120668081. The reversal of 120668061 is 160866021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 120668061 - 2¹ = 120668059 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 (120668011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20111341 + ... + 20111346.

It is an arithmetic number, because the mean of its divisors is an integer number (40222688).

Almost surely, 2^120668061 is an apocalyptic number.

It is an amenable number.

120668061 is a deficient number, since it is larger than the sum of its proper divisors (40222691).

120668061 is an equidigital number, since it uses as much as digits as its factorization.

120668061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40222690.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 120668061 is about 10984.9015016066. The cubic root of 120668061 is about 494.1560437941.

The spelling of 120668061 in words is "one hundred twenty million, six hundred sixty-eight thousand, sixty-one".