120420435 has 32 divisors (see below), whose sum is σ = 206832960. Its totient is φ = 59609088.

The previous prime is 120420361. The next prime is 120420437. The reversal of 120420435 is 534024021.

It is not a de Polignac number, because 120420435 - 2¹⁷ = 120289363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120420437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15381 + ... + 21849.

It is an arithmetic number, because the mean of its divisors is an integer number (6463530).

Almost surely, 2^120420435 is an apocalyptic number.

120420435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120420435 is a deficient number, since it is larger than the sum of its proper divisors (86412525).

120420435 is a wasteful number, since it uses less digits than its factorization.

120420435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 120420435 is about 10973.6245151727. The cubic root of 120420435 is about 493.8177889087.

Adding to 120420435 its reverse (534024021), we get a palindrome (654444456).

The spelling of 120420435 in words is "one hundred twenty million, four hundred twenty thousand, four hundred thirty-five".