2120434234 has 8 divisors (see below), whose sum is σ = 3248324928. Its totient is φ = 1037659260.

The previous prime is 2120434223. The next prime is 2120434249. The reversal of 2120434234 is 4324340212.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2120434199 and 2120434208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11278812 + ... + 11278999.

It is an arithmetic number, because the mean of its divisors is an integer number (406040616).

Almost surely, 2^2120434234 is an apocalyptic number.

2120434234 is a deficient number, since it is larger than the sum of its proper divisors (1127890694).

2120434234 is a wasteful number, since it uses less digits than its factorization.

2120434234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22557860.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2120434234 is about 46048.1729713569. The cubic root of 2120434234 is about 1284.7193609611.

Adding to 2120434234 its reverse (4324340212), we get a palindrome (6444774446).

The spelling of 2120434234 in words is "two billion, one hundred twenty million, four hundred thirty-four thousand, two hundred thirty-four".