102102641 has 2 divisors, whose sum is σ = 102102642. Its totient is φ = 102102640.

The previous prime is 102102601. The next prime is 102102653. The reversal of 102102641 is 146201201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76387600 + 25715041 = 8740^2 + 5071^2 .

It is a cyclic number.

It is not a de Polignac number, because 102102641 - 2²² = 97908337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102102601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051320 + 51051321.

It is an arithmetic number, because the mean of its divisors is an integer number (51051321).

Almost surely, 2^102102641 is an apocalyptic number.

It is an amenable number.

102102641 is a deficient number, since it is larger than the sum of its proper divisors (1).

102102641 is an equidigital number, since it uses as much as digits as its factorization.

102102641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 102102641 is about 10104.5851473477. The cubic root of 102102641 is about 467.3895433325.

Adding to 102102641 its reverse (146201201), we get a palindrome (248303842).

The spelling of 102102641 in words is "one hundred two million, one hundred two thousand, six hundred forty-one".