102765421067 has 2 divisors, whose sum is σ = 102765421068. Its totient is φ = 102765421066.

The previous prime is 102765421037. The next prime is 102765421079. The reversal of 102765421067 is 760124567201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102765421067 - 2⁸ = 102765420811 is a prime.

It is not a weakly prime, because it can be changed into another prime (102765421037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51382710533 + 51382710534.

It is an arithmetic number, because the mean of its divisors is an integer number (51382710534).

Almost surely, 2^102765421067 is an apocalyptic number.

102765421067 is a deficient number, since it is larger than the sum of its proper divisors (1).

102765421067 is an equidigital number, since it uses as much as digits as its factorization.

102765421067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

Adding to 102765421067 its reverse (760124567201), we get a palindrome (862889988268).

The spelling of 102765421067 in words is "one hundred two billion, seven hundred sixty-five million, four hundred twenty-one thousand, sixty-seven".