340366121 has 4 divisors (see below), whose sum is σ = 355164672. Its totient is φ = 325567572.

The previous prime is 340366111. The next prime is 340366123. The reversal of 340366121 is 121663043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340366121 - 2¹⁰ = 340365097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340366123) 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, 7399241 + ... + 7399286.

It is an arithmetic number, because the mean of its divisors is an integer number (88791168).

Almost surely, 2^340366121 is an apocalyptic number.

It is an amenable number.

340366121 is a deficient number, since it is larger than the sum of its proper divisors (14798551).

340366121 is a wasteful number, since it uses less digits than its factorization.

340366121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14798550.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 340366121 is about 18449.0140928994. The cubic root of 340366121 is about 698.2036396494.

The spelling of 340366121 in words is "three hundred forty million, three hundred sixty-six thousand, one hundred twenty-one".