340421125 has 16 divisors (see below), whose sum is σ = 463469760. Its totient is φ = 247578000.

The previous prime is 340421113. The next prime is 340421129. The reversal of 340421125 is 521124043.

It is not a de Polignac number, because 340421125 - 2⁵ = 340421093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340421096 and 340421105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340421129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122415 + ... + 125164.

It is an arithmetic number, because the mean of its divisors is an integer number (28966860).

Almost surely, 2^340421125 is an apocalyptic number.

It is an amenable number.

340421125 is a deficient number, since it is larger than the sum of its proper divisors (123048635).

340421125 is a wasteful number, since it uses less digits than its factorization.

340421125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247605 (or 247595 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 340421125 is about 18450.5047356434. The cubic root of 340421125 is about 698.2412480972.

Adding to 340421125 its reverse (521124043), we get a palindrome (861545168).

The spelling of 340421125 in words is "three hundred forty million, four hundred twenty-one thousand, one hundred twenty-five".