121482857 has 2 divisors, whose sum is σ = 121482858. Its totient is φ = 121482856.

The previous prime is 121482847. The next prime is 121482863. The reversal of 121482857 is 758284121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110586256 + 10896601 = 10516^2 + 3301^2 .

It is a cyclic number.

It is not a de Polignac number, because 121482857 - 2⁴ = 121482841 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121482857.

It is not a weakly prime, because it can be changed into another prime (121482817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60741428 + 60741429.

It is an arithmetic number, because the mean of its divisors is an integer number (60741429).

Almost surely, 2^121482857 is an apocalyptic number.

It is an amenable number.

121482857 is a deficient number, since it is larger than the sum of its proper divisors (1).

121482857 is an equidigital number, since it uses as much as digits as its factorization.

121482857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 38.

The square root of 121482857 is about 11021.9261928213. The cubic root of 121482857 is about 495.2657920250.

The spelling of 121482857 in words is "one hundred twenty-one million, four hundred eighty-two thousand, eight hundred fifty-seven".