120345029 has 6 divisors (see below), whose sum is σ = 139993254. Its totient is φ = 103152840.

The previous prime is 120345013. The next prime is 120345061. The reversal of 120345029 is 920543021.

It can be written as a sum of positive squares in only one way, i.e., 91968100 + 28376929 = 9590^2 + 5327^2 .

It is not a de Polignac number, because 120345029 - 2⁴ = 120345013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120344989 and 120345007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120345229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1227962 + ... + 1228059.

It is an arithmetic number, because the mean of its divisors is an integer number (23332209).

Almost surely, 2^120345029 is an apocalyptic number.

It is an amenable number.

120345029 is a deficient number, since it is larger than the sum of its proper divisors (19648225).

120345029 is an equidigital number, since it uses as much as digits as its factorization.

120345029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456035 (or 2456028 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 120345029 is about 10970.1881934632. The cubic root of 120345029 is about 493.7146928981.

The spelling of 120345029 in words is "one hundred twenty million, three hundred forty-five thousand, twenty-nine".