345122125 has 32 divisors (see below), whose sum is σ = 449010432. Its totient is φ = 264600000.

The previous prime is 345122087. The next prime is 345122131. The reversal of 345122125 is 521221543.

It is not a de Polignac number, because 345122125 - 2²³ = 336733517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345122125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327850 + ... + 328900.

It is an arithmetic number, because the mean of its divisors is an integer number (14031576).

Almost surely, 2^345122125 is an apocalyptic number.

It is an amenable number.

345122125 is a deficient number, since it is larger than the sum of its proper divisors (103888307).

345122125 is a wasteful number, since it uses less digits than its factorization.

345122125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1164 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 345122125 is about 18577.4628246163. The cubic root of 345122125 is about 701.4406554320.

345122125 divided by its sum of digits (25) gives a triangular number (13804885 = T₅₂₅₄).

Adding to 345122125 its reverse (521221543), we get a palindrome (866343668).

The spelling of 345122125 in words is "three hundred forty-five million, one hundred twenty-two thousand, one hundred twenty-five".