120434505 has 16 divisors (see below), whose sum is σ = 192842880. Its totient is φ = 64182528.

The previous prime is 120434471. The next prime is 120434513. The reversal of 120434505 is 505434021.

It is not a de Polignac number, because 120434505 - 2⁹ = 120433993 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26049 + ... + 30321.

It is an arithmetic number, because the mean of its divisors is an integer number (12052680).

Almost surely, 2^120434505 is an apocalyptic number.

120434505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120434505 is a deficient number, since it is larger than the sum of its proper divisors (72408375).

120434505 is a wasteful number, since it uses less digits than its factorization.

120434505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 120434505 is about 10974.2655790718. The cubic root of 120434505 is about 493.8370208209.

Adding to 120434505 its reverse (505434021), we get a palindrome (625868526).

The spelling of 120434505 in words is "one hundred twenty million, four hundred thirty-four thousand, five hundred five".