102059869 has 2 divisors, whose sum is σ = 102059870. Its totient is φ = 102059868.

The previous prime is 102059851. The next prime is 102059897. The reversal of 102059869 is 968950201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51294244 + 50765625 = 7162^2 + 7125^2 .

It is a cyclic number.

It is not a de Polignac number, because 102059869 - 2²³ = 93671261 is a prime.

It is a super-2 number, since 2×102059869² = 20832433720594322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102059369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51029934 + 51029935.

It is an arithmetic number, because the mean of its divisors is an integer number (51029935).

Almost surely, 2^102059869 is an apocalyptic number.

It is an amenable number.

102059869 is a deficient number, since it is larger than the sum of its proper divisors (1).

102059869 is an equidigital number, since it uses as much as digits as its factorization.

102059869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 102059869 is about 10102.4684607278. The cubic root of 102059869 is about 467.3242692204.

The spelling of 102059869 in words is "one hundred two million, fifty-nine thousand, eight hundred sixty-nine".