343750121 has 16 divisors (see below), whose sum is σ = 409546368. Its totient is φ = 284390400.

The previous prime is 343750117. The next prime is 343750163. The reversal of 343750121 is 121057343.

It is a cyclic number.

It is not a de Polignac number, because 343750121 - 2² = 343750117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343755121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6776 + ... + 27081.

It is an arithmetic number, because the mean of its divisors is an integer number (25596648).

Almost surely, 2^343750121 is an apocalyptic number.

It is an amenable number.

343750121 is a deficient number, since it is larger than the sum of its proper divisors (65796247).

343750121 is a wasteful number, since it uses less digits than its factorization.

343750121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33952.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 343750121 is about 18540.4994808662. The cubic root of 343750121 is about 700.5099148570.

The spelling of 343750121 in words is "three hundred forty-three million, seven hundred fifty thousand, one hundred twenty-one".