120434005 has 4 divisors (see below), whose sum is σ = 144520812. Its totient is φ = 96347200.

The previous prime is 120433993. The next prime is 120434009. The reversal of 120434005 is 500434021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500434021 = 15823 ⋅31627.

It can be written as a sum of positive squares in 2 ways, for example, as 42588676 + 77845329 = 6526^2 + 8823^2 .

It is not a de Polignac number, because 120434005 - 2⁷ = 120433877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120434009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12043396 + ... + 12043405.

It is an arithmetic number, because the mean of its divisors is an integer number (36130203).

Almost surely, 2^120434005 is an apocalyptic number.

It is an amenable number.

120434005 is a deficient number, since it is larger than the sum of its proper divisors (24086807).

120434005 is an equidigital number, since it uses as much as digits as its factorization.

120434005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24086806.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 120434005 is about 10974.2427984804. The cubic root of 120434005 is about 493.8363374097.

Adding to 120434005 its reverse (500434021), we get a palindrome (620868026).

The spelling of 120434005 in words is "one hundred twenty million, four hundred thirty-four thousand, five".