102442793 has 2 divisors, whose sum is σ = 102442794. Its totient is φ = 102442792.

The previous prime is 102442771. The next prime is 102442801. The reversal of 102442793 is 397244201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101344489 + 1098304 = 10067^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 102442793 - 2⁸ = 102442537 is a prime.

It is not a weakly prime, because it can be changed into another prime (102402793) 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, 51221396 + 51221397.

It is an arithmetic number, because the mean of its divisors is an integer number (51221397).

Almost surely, 2^102442793 is an apocalyptic number.

It is an amenable number.

102442793 is a deficient number, since it is larger than the sum of its proper divisors (1).

102442793 is an equidigital number, since it uses as much as digits as its factorization.

102442793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 102442793 is about 10121.4027189911. The cubic root of 102442793 is about 467.9079996062.

Adding to 102442793 its reverse (397244201), we get a palindrome (499686994).

The spelling of 102442793 in words is "one hundred two million, four hundred forty-two thousand, seven hundred ninety-three".