102722563 has 2 divisors, whose sum is σ = 102722564. Its totient is φ = 102722562.

The previous prime is 102722549. The next prime is 102722567. The reversal of 102722563 is 365227201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102722563 is a prime.

It is not a weakly prime, because it can be changed into another prime (102722567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51361281 + 51361282.

It is an arithmetic number, because the mean of its divisors is an integer number (51361282).

Almost surely, 2^102722563 is an apocalyptic number.

102722563 is a deficient number, since it is larger than the sum of its proper divisors (1).

102722563 is an equidigital number, since it uses as much as digits as its factorization.

102722563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 102722563 is about 10135.2140085940. The cubic root of 102722563 is about 468.3335627573. Note that the first 3 decimals are identical.

Adding to 102722563 its reverse (365227201), we get a palindrome (467949764).

It can be divided in two parts, 102722 and 563, that added together give a triangular number (103285 = T₄₅₄).

The spelling of 102722563 in words is "one hundred two million, seven hundred twenty-two thousand, five hundred sixty-three".