120434171 has 32 divisors (see below), whose sum is σ = 151538688. Its totient is φ = 94026240.

The previous prime is 120434161. The next prime is 120434189. The reversal of 120434171 is 171434021.

It is a happy number.

It is not a de Polignac number, because 120434171 - 2⁶ = 120434107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120434131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259886 + ... + 260348.

It is an arithmetic number, because the mean of its divisors is an integer number (4735584).

Almost surely, 2^120434171 is an apocalyptic number.

120434171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120434171 is a deficient number, since it is larger than the sum of its proper divisors (31104517).

120434171 is a wasteful number, since it uses less digits than its factorization.

120434171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 120434171 is about 10974.2503616420. The cubic root of 120434171 is about 493.8365643024.

Adding to 120434171 its reverse (171434021), we get a palindrome (291868192).

The spelling of 120434171 in words is "one hundred twenty million, four hundred thirty-four thousand, one hundred seventy-one".