101245559 has 2 divisors, whose sum is σ = 101245560. Its totient is φ = 101245558.

The previous prime is 101245553. The next prime is 101245561. The reversal of 101245559 is 955542101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101245559 - 2⁸ = 101245303 is a prime.

Together with 101245561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101245553) by changing a digit.

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 as a sum of consecutive naturals, namely, 50622779 + 50622780.

It is an arithmetic number, because the mean of its divisors is an integer number (50622780).

Almost surely, 2^101245559 is an apocalyptic number.

101245559 is a deficient number, since it is larger than the sum of its proper divisors (1).

101245559 is an equidigital number, since it uses as much as digits as its factorization.

101245559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 101245559 is about 10062.0852212650. The cubic root of 101245559 is about 466.0780613640.

The spelling of 101245559 in words is "one hundred one million, two hundred forty-five thousand, five hundred fifty-nine".