341122721 has 8 divisors (see below), whose sum is σ = 351359400. Its totient is φ = 330939648.

The previous prime is 341122693. The next prime is 341122759. The reversal of 341122721 is 127221143.

It can be written as a sum of positive squares in 4 ways, for example, as 94789696 + 246333025 = 9736^2 + 15695^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-341122721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (341122121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296 + ... + 26121.

It is an arithmetic number, because the mean of its divisors is an integer number (43919925).

Almost surely, 2^341122721 is an apocalyptic number.

It is an amenable number.

341122721 is a deficient number, since it is larger than the sum of its proper divisors (10236679).

341122721 is a wasteful number, since it uses less digits than its factorization.

341122721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26803.

The product of its digits is 672, while the sum is 23.

The square root of 341122721 is about 18469.5078710831. The cubic root of 341122721 is about 698.7206025119.

Adding to 341122721 its reverse (127221143), we get a palindrome (468343864).

The spelling of 341122721 in words is "three hundred forty-one million, one hundred twenty-two thousand, seven hundred twenty-one".