120429 has 6 divisors (see below), whose sum is σ = 173966. Its totient is φ = 80280.

The previous prime is 120427. The next prime is 120431. The reversal of 120429 is 924021.

It is an interprime number because it is at equal distance from previous prime (120427) and next prime (120431).

It can be written as a sum of positive squares in only one way, i.e., 81225 + 39204 = 285^2 + 198^2 .

It is not a de Polignac number, because 120429 - 2¹ = 120427 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

120429 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6682 + ... + 6699.

2¹²⁰⁴²⁹ is an apocalyptic number.

It is an amenable number.

120429 is a deficient number, since it is larger than the sum of its proper divisors (53537).

120429 is a wasteful number, since it uses less digits than its factorization.

120429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13387 (or 13384 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 120429 is about 347.0288172472. The cubic root of 120429 is about 49.3829496360.

The spelling of 120429 in words is "one hundred twenty thousand, four hundred twenty-nine".