210120434 has 8 divisors (see below), whose sum is σ = 315242928. Its totient is φ = 105039460.

The previous prime is 210120413. The next prime is 210120439. The reversal of 210120434 is 434021012.

210120434 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (210120439) 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, 11489 + ... + 23499.

It is an arithmetic number, because the mean of its divisors is an integer number (39405366).

Almost surely, 2^210120434 is an apocalyptic number.

210120434 is a deficient number, since it is larger than the sum of its proper divisors (105122494).

210120434 is a wasteful number, since it uses less digits than its factorization.

210120434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20760.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 210120434 is about 14495.5315183680. The cubic root of 210120434 is about 594.5058005929.

Adding to 210120434 its reverse (434021012), we get a palindrome (644141446).

The spelling of 210120434 in words is "two hundred ten million, one hundred twenty thousand, four hundred thirty-four".