343149121 has 8 divisors (see below), whose sum is σ = 409221504. Its totient is φ = 281339520.

The previous prime is 343149071. The next prime is 343149127. The reversal of 343149121 is 121941343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343149121 - 2¹³ = 343140929 is a prime.

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 343149121.

It is not an unprimeable number, because it can be changed into a prime (343149127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065520 + ... + 1065841.

It is an arithmetic number, because the mean of its divisors is an integer number (51152688).

Almost surely, 2^343149121 is an apocalyptic number.

It is an amenable number.

343149121 is a deficient number, since it is larger than the sum of its proper divisors (66072383).

343149121 is a wasteful number, since it uses less digits than its factorization.

343149121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131391.

The product of its digits is 2592, while the sum is 28.

The square root of 343149121 is about 18524.2846285626. The cubic root of 343149121 is about 700.1014281598.

The spelling of 343149121 in words is "three hundred forty-three million, one hundred forty-nine thousand, one hundred twenty-one".