102045791 has 2 divisors, whose sum is σ = 102045792. Its totient is φ = 102045790.

The previous prime is 102045773. The next prime is 102045799. The reversal of 102045791 is 197540201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102045791 - 2¹⁴ = 102029407 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102045799) 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, 51022895 + 51022896.

It is an arithmetic number, because the mean of its divisors is an integer number (51022896).

Almost surely, 2^102045791 is an apocalyptic number.

102045791 is a deficient number, since it is larger than the sum of its proper divisors (1).

102045791 is an equidigital number, since it uses as much as digits as its factorization.

102045791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 102045791 is about 10101.7716762952. The cubic root of 102045791 is about 467.3027808736.

Adding to 102045791 its reverse (197540201), we get a palindrome (299585992).

The spelling of 102045791 in words is "one hundred two million, forty-five thousand, seven hundred ninety-one".