121141321 has 16 divisors (see below), whose sum is σ = 146736000. Its totient is φ = 97694208.

The previous prime is 121141297. The next prime is 121141327. The reversal of 121141321 is 123141121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121141321 is a prime.

It is a super-3 number, since 3×121141321³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121141295 and 121141304.

It is not an unprimeable number, because it can be changed into a prime (121141327) 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 15 ways as a sum of consecutive naturals, for example, 16761 + ... + 22873.

It is an arithmetic number, because the mean of its divisors is an integer number (9171000).

Almost surely, 2^121141321 is an apocalyptic number.

It is an amenable number.

121141321 is a deficient number, since it is larger than the sum of its proper divisors (25594679).

121141321 is a wasteful number, since it uses less digits than its factorization.

121141321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6288.

The product of its digits is 48, while the sum is 16.

The square root of 121141321 is about 11006.4218072905. The cubic root of 121141321 is about 494.8012275411.

Adding to 121141321 its reverse (123141121), we get a palindrome (244282442).

The spelling of 121141321 in words is "one hundred twenty-one million, one hundred forty-one thousand, three hundred twenty-one".