340230121 has 16 divisors (see below), whose sum is σ = 424614528. Its totient is φ = 264844800.

The previous prime is 340230113. The next prime is 340230127. The reversal of 340230121 is 121032043.

It is a happy number.

It is not a de Polignac number, because 340230121 - 2³ = 340230113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340230095 and 340230104.

It is not an unprimeable number, because it can be changed into a prime (340230127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110361 + ... + 113401.

It is an arithmetic number, because the mean of its divisors is an integer number (26538408).

Almost surely, 2^340230121 is an apocalyptic number.

It is an amenable number.

340230121 is a deficient number, since it is larger than the sum of its proper divisors (84384407).

340230121 is a wasteful number, since it uses less digits than its factorization.

340230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 340230121 is about 18445.3278908237. The cubic root of 340230121 is about 698.1106335803.

Adding to 340230121 its reverse (121032043), we get a palindrome (461262164).

The spelling of 340230121 in words is "three hundred forty million, two hundred thirty thousand, one hundred twenty-one".