340422121 has 8 divisors (see below), whose sum is σ = 369286344. Its totient is φ = 311940480.

The previous prime is 340422119. The next prime is 340422193. The reversal of 340422121 is 121224043.

It can be written as a sum of positive squares in 4 ways, for example, as 65028096 + 275394025 = 8064^2 + 16595^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 340422121 - 2¹ = 340422119 is a prime.

It is a super-2 number, since 2×340422121² = 231774440932277282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340422421) 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, 93790 + ... + 97351.

It is an arithmetic number, because the mean of its divisors is an integer number (46160793).

Almost surely, 2^340422121 is an apocalyptic number.

It is an amenable number.

340422121 is a deficient number, since it is larger than the sum of its proper divisors (28864223).

340422121 is a wasteful number, since it uses less digits than its factorization.

340422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191291.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 340422121 is about 18450.5317267552. The cubic root of 340422121 is about 698.2419290651.

Adding to 340422121 its reverse (121224043), we get a palindrome (461646164).

It can be divided in two parts, 34042 and 2121, that added together give a palindrome (36163).

The spelling of 340422121 in words is "three hundred forty million, four hundred twenty-two thousand, one hundred twenty-one".