102217007 has 2 divisors, whose sum is σ = 102217008. Its totient is φ = 102217006.

The previous prime is 102216943. The next prime is 102217033. The reversal of 102217007 is 700712201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102217007 - 2⁶ = 102216943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102217007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102217307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51108503 + 51108504.

It is an arithmetic number, because the mean of its divisors is an integer number (51108504).

Almost surely, 2^102217007 is an apocalyptic number.

102217007 is a deficient number, since it is larger than the sum of its proper divisors (1).

102217007 is an equidigital number, since it uses as much as digits as its factorization.

102217007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 102217007 is about 10110.2426776018. The cubic root of 102217007 is about 467.5639871618.

Adding to 102217007 its reverse (700712201), we get a palindrome (802929208).

The spelling of 102217007 in words is "one hundred two million, two hundred seventeen thousand, seven".