102126373889 has 2 divisors, whose sum is σ = 102126373890. Its totient is φ = 102126373888.

The previous prime is 102126373793. The next prime is 102126373901. The reversal of 102126373889 is 988373621201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94135444225 + 7990929664 = 306815^2 + 89392^2 .

It is a cyclic number.

It is not a de Polignac number, because 102126373889 - 2³² = 97831406593 is a prime.

It is not a weakly prime, because it can be changed into another prime (102126333889) 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, 51063186944 + 51063186945.

It is an arithmetic number, because the mean of its divisors is an integer number (51063186945).

Almost surely, 2^102126373889 is an apocalyptic number.

It is an amenable number.

102126373889 is a deficient number, since it is larger than the sum of its proper divisors (1).

102126373889 is an equidigital number, since it uses as much as digits as its factorization.

102126373889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 102126373889 in words is "one hundred two billion, one hundred twenty-six million, three hundred seventy-three thousand, eight hundred eighty-nine".