121136065 has 8 divisors (see below), whose sum is σ = 150052608. Its totient is φ = 93782640.

The previous prime is 121136051. The next prime is 121136107. The reversal of 121136065 is 560631121.

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

It is not a de Polignac number, because 121136065 - 2¹¹ = 121134017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 390607 + ... + 390916.

It is an arithmetic number, because the mean of its divisors is an integer number (18756576).

Almost surely, 2^121136065 is an apocalyptic number.

It is an amenable number.

121136065 is a deficient number, since it is larger than the sum of its proper divisors (28916543).

121136065 is an equidigital number, since it uses as much as digits as its factorization.

121136065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781559.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 121136065 is about 11006.1830350036. The cubic root of 121136065 is about 494.7940714008.

Adding to 121136065 its reverse (560631121), we get a palindrome (681767186).

The spelling of 121136065 in words is "one hundred twenty-one million, one hundred thirty-six thousand, sixty-five".