102073889 has 2 divisors, whose sum is σ = 102073890. Its totient is φ = 102073888.

The previous prime is 102073883. The next prime is 102073903. The reversal of 102073889 is 988370201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91833889 + 10240000 = 9583^2 + 3200^2 .

It is a cyclic number.

It is not a de Polignac number, because 102073889 - 2¹⁶ = 102008353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102073883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51036944 + 51036945.

It is an arithmetic number, because the mean of its divisors is an integer number (51036945).

Almost surely, 2^102073889 is an apocalyptic number.

It is an amenable number.

102073889 is a deficient number, since it is larger than the sum of its proper divisors (1).

102073889 is an equidigital number, since it uses as much as digits as its factorization.

102073889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 102073889 is about 10103.1623267173. The cubic root of 102073889 is about 467.3456670735.

The spelling of 102073889 in words is "one hundred two million, seventy-three thousand, eight hundred eighty-nine".