120120729 has 8 divisors (see below), whose sum is σ = 160271712. Its totient is φ = 80025120.

The previous prime is 120120727. The next prime is 120120733. The reversal of 120120729 is 927021021.

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

It is not a de Polignac number, because 120120729 - 2¹ = 120120727 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120120699 and 120120708.

It is not an unprimeable number, because it can be changed into a prime (120120727) 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, 8484 + ... + 17669.

It is an arithmetic number, because the mean of its divisors is an integer number (20033964).

Almost surely, 2^120120729 is an apocalyptic number.

It is an amenable number.

120120729 is a deficient number, since it is larger than the sum of its proper divisors (40150983).

120120729 is a wasteful number, since it uses less digits than its factorization.

120120729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27687.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 120120729 is about 10959.9602645265. The cubic root of 120120729 is about 493.4077723786.

The spelling of 120120729 in words is "one hundred twenty million, one hundred twenty thousand, seven hundred twenty-nine".