101244889 has 2 divisors, whose sum is σ = 101244890. Its totient is φ = 101244888.

The previous prime is 101244799. The next prime is 101244907. The reversal of 101244889 is 988442101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89113600 + 12131289 = 9440^2 + 3483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101244889 is a prime.

It is not a weakly prime, because it can be changed into another prime (101244289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50622444 + 50622445.

It is an arithmetic number, because the mean of its divisors is an integer number (50622445).

Almost surely, 2^101244889 is an apocalyptic number.

It is an amenable number.

101244889 is a deficient number, since it is larger than the sum of its proper divisors (1).

101244889 is an equidigital number, since it uses as much as digits as its factorization.

101244889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 101244889 is about 10062.0519279121. The cubic root of 101244889 is about 466.0770332597.

The spelling of 101244889 in words is "one hundred one million, two hundred forty-four thousand, eight hundred eighty-nine".