102801869 has 2 divisors, whose sum is σ = 102801870. Its totient is φ = 102801868.

The previous prime is 102801833. The next prime is 102801871. The reversal of 102801869 is 968108201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100200100 + 2601769 = 10010^2 + 1613^2 .

It is a cyclic number.

It is not a de Polignac number, because 102801869 - 2⁸ = 102801613 is a prime.

It is a super-2 number, since 2×102801869² = 21136448539786322, which contains 22 as substring.

Together with 102801871, 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 (102801169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51400934 + 51400935.

It is an arithmetic number, because the mean of its divisors is an integer number (51400935).

Almost surely, 2^102801869 is an apocalyptic number.

It is an amenable number.

102801869 is a deficient number, since it is larger than the sum of its proper divisors (1).

102801869 is an equidigital number, since it uses as much as digits as its factorization.

102801869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 102801869 is about 10139.1256526389. The cubic root of 102801869 is about 468.4540559455.

The spelling of 102801869 in words is "one hundred two million, eight hundred one thousand, eight hundred sixty-nine".