121186660461253 has 2 divisors, whose sum is σ = 121186660461254. Its totient is φ = 121186660461252.

The previous prime is 121186660461241. The next prime is 121186660461271. The reversal of 121186660461253 is 352164066681121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120337872299044 + 848788162209 = 10969862^2 + 921297^2 .

It is a cyclic number.

It is not a de Polignac number, because 121186660461253 - 2⁹ = 121186660460741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121186660461253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121186660461283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60593330230626 + 60593330230627.

It is an arithmetic number, because the mean of its divisors is an integer number (60593330230627).

Almost surely, 2^{121186660461253} is an apocalyptic number.

It is an amenable number.

121186660461253 is a deficient number, since it is larger than the sum of its proper divisors (1).

121186660461253 is an equidigital number, since it uses as much as digits as its factorization.

121186660461253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 121186660461253 in words is "one hundred twenty-one trillion, one hundred eighty-six billion, six hundred sixty million, four hundred sixty-one thousand, two hundred fifty-three".