345121122 has 16 divisors (see below), whose sum is σ = 692331552. Its totient is φ = 114692160.

The previous prime is 345121121. The next prime is 345121157. The reversal of 345121122 is 221121543.

345121122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (345121121) 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, 84903 + ... + 88874.

It is an arithmetic number, because the mean of its divisors is an integer number (43270722).

Almost surely, 2^345121122 is an apocalyptic number.

345121122 is an abundant number, since it is smaller than the sum of its proper divisors (347210430).

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

345121122 is a wasteful number, since it uses less digits than its factorization.

345121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174113.

The product of its digits is 480, while the sum is 21.

The square root of 345121122 is about 18577.4358295218. The cubic root of 345121122 is about 701.4399759182.

Adding to 345121122 its reverse (221121543), we get a palindrome (566242665).

The spelling of 345121122 in words is "three hundred forty-five million, one hundred twenty-one thousand, one hundred twenty-two".