120420429 has 8 divisors (see below), whose sum is σ = 160735680. Its totient is φ = 80192736.

The previous prime is 120420361. The next prime is 120420437. The reversal of 120420429 is 924024021.

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

It is not a de Polignac number, because 120420429 - 2¹⁵ = 120387661 is a prime.

It is a super-3 number, since 3×120420429³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120420399 and 120420408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120420029) 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, 18609 + ... + 24230.

It is an arithmetic number, because the mean of its divisors is an integer number (20091960).

Almost surely, 2^120420429 is an apocalyptic number.

It is an amenable number.

120420429 is a deficient number, since it is larger than the sum of its proper divisors (40315251).

120420429 is an equidigital number, since it uses as much as digits as its factorization.

120420429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43779.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 120420429 is about 10973.6242417899. The cubic root of 120420429 is about 493.8177807071.

The spelling of 120420429 in words is "one hundred twenty million, four hundred twenty thousand, four hundred twenty-nine".