120029121 has 32 divisors (see below), whose sum is σ = 182787840. Its totient is φ = 78790320.

The previous prime is 120029101. The next prime is 120029123. The reversal of 120029121 is 121920021.

It is not a de Polignac number, because 120029121 - 2⁵ = 120029089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120029094 and 120029103.

It is not an unprimeable number, because it can be changed into a prime (120029123) 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 31 ways as a sum of consecutive naturals, for example, 154891 + ... + 155663.

It is an arithmetic number, because the mean of its divisors is an integer number (5712120).

Almost surely, 2^120029121 is an apocalyptic number.

It is an amenable number.

120029121 is a deficient number, since it is larger than the sum of its proper divisors (62758719).

120029121 is an frugal number, since it uses more digits than its factorization.

120029121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 120029121 is about 10955.7802551895. The cubic root of 120029121 is about 493.2823108400.

Adding to 120029121 its reverse (121920021), we get a palindrome (241949142).

The spelling of 120029121 in words is "one hundred twenty million, twenty-nine thousand, one hundred twenty-one".