121346501 has 2 divisors, whose sum is σ = 121346502. Its totient is φ = 121346500.

The previous prime is 121346497. The next prime is 121346509. The reversal of 121346501 is 105643121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107848225 + 13498276 = 10385^2 + 3674^2 .

It is a cyclic number.

It is not a de Polignac number, because 121346501 - 2² = 121346497 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121346509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60673250 + 60673251.

It is an arithmetic number, because the mean of its divisors is an integer number (60673251).

Almost surely, 2^121346501 is an apocalyptic number.

It is an amenable number.

121346501 is a deficient number, since it is larger than the sum of its proper divisors (1).

121346501 is an equidigital number, since it uses as much as digits as its factorization.

121346501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 121346501 is about 11015.7387859371. The cubic root of 121346501 is about 495.0804222629.

Adding to 121346501 its reverse (105643121), we get a palindrome (226989622).

The spelling of 121346501 in words is "one hundred twenty-one million, three hundred forty-six thousand, five hundred one".