121486571 has 2 divisors, whose sum is σ = 121486572. Its totient is φ = 121486570.

The previous prime is 121486517. The next prime is 121486579. The reversal of 121486571 is 175684121.

Together with previous prime (121486517) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121486571 - 2⁶ = 121486507 is a prime.

It is not a weakly prime, because it can be changed into another prime (121486579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60743285 + 60743286.

It is an arithmetic number, because the mean of its divisors is an integer number (60743286).

Almost surely, 2^121486571 is an apocalyptic number.

121486571 is a deficient number, since it is larger than the sum of its proper divisors (1).

121486571 is an equidigital number, since it uses as much as digits as its factorization.

121486571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 35.

The square root of 121486571 is about 11022.0946738812. The cubic root of 121486571 is about 495.2708390977.

The spelling of 121486571 in words is "one hundred twenty-one million, four hundred eighty-six thousand, five hundred seventy-one".