121320341 has 4 divisors (see below), whose sum is σ = 121356300. Its totient is φ = 121284384.

The previous prime is 121320319. The next prime is 121320349. The reversal of 121320341 is 143023121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143023121 = 6469 ⋅22109.

It can be written as a sum of positive squares in 2 ways, for example, as 70140625 + 51179716 = 8375^2 + 7154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121320341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320349) 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, 12326 + ... + 19863.

It is an arithmetic number, because the mean of its divisors is an integer number (30339075).

Almost surely, 2^121320341 is an apocalyptic number.

It is an amenable number.

121320341 is a deficient number, since it is larger than the sum of its proper divisors (35959).

121320341 is an equidigital number, since it uses as much as digits as its factorization.

121320341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35958.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121320341 is about 11014.5513299453. The cubic root of 121320341 is about 495.0448430619.

Adding to 121320341 its reverse (143023121), we get a palindrome (264343462).

The spelling of 121320341 in words is "one hundred twenty-one million, three hundred twenty thousand, three hundred forty-one".