345112120 has 32 divisors (see below), whose sum is σ = 778651200. Its totient is φ = 137662848.

The previous prime is 345112073. The next prime is 345112123. The reversal of 345112120 is 21211543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345112123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2926 + ... + 26434.

It is an arithmetic number, because the mean of its divisors is an integer number (24332850).

Almost surely, 2^345112120 is an apocalyptic number.

It is an amenable number.

345112120 is an abundant number, since it is smaller than the sum of its proper divisors (433539080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345112120 is a wasteful number, since it uses less digits than its factorization.

345112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23887 (or 23883 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 345112120 is about 18577.1935447742. The cubic root of 345112120 is about 701.4338771728.

Adding to 345112120 its reverse (21211543), we get a palindrome (366323663).

The spelling of 345112120 in words is "three hundred forty-five million, one hundred twelve thousand, one hundred twenty".