104121221527 has 2 divisors, whose sum is σ = 104121221528. Its totient is φ = 104121221526.

The previous prime is 104121221473. The next prime is 104121221537. The reversal of 104121221527 is 725122121401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104121221527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104121221495 and 104121221504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104121221537) 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, 52060610763 + 52060610764.

It is an arithmetic number, because the mean of its divisors is an integer number (52060610764).

Almost surely, 2^104121221527 is an apocalyptic number.

104121221527 is a deficient number, since it is larger than the sum of its proper divisors (1).

104121221527 is an equidigital number, since it uses as much as digits as its factorization.

104121221527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 104121221527 its reverse (725122121401), we get a palindrome (829243342928).

The spelling of 104121221527 in words is "one hundred four billion, one hundred twenty-one million, two hundred twenty-one thousand, five hundred twenty-seven".