345300121 has 4 divisors (see below), whose sum is σ = 345465652. Its totient is φ = 345134592.

The previous prime is 345300097. The next prime is 345300181. The reversal of 345300121 is 121003543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121003543 = 479 ⋅252617.

It can be written as a sum of positive squares in 2 ways, for example, as 24890121 + 320410000 = 4989^2 + 17900^2 .

It is a cyclic number.

It is not a de Polignac number, because 345300121 - 2⁷ = 345299993 is a prime.

It is a super-2 number, since 2×345300121² = 238464347125229282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345300181) 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, 79596 + ... + 83821.

It is an arithmetic number, because the mean of its divisors is an integer number (86366413).

Almost surely, 2^345300121 is an apocalyptic number.

It is an amenable number.

345300121 is a deficient number, since it is larger than the sum of its proper divisors (165531).

345300121 is a wasteful number, since it uses less digits than its factorization.

345300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165530.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 345300121 is about 18582.2528505023. The cubic root of 345300121 is about 701.5612235475.

Adding to 345300121 its reverse (121003543), we get a palindrome (466303664).

The spelling of 345300121 in words is "three hundred forty-five million, three hundred thousand, one hundred twenty-one".