84912103 has 2 divisors, whose sum is σ = 84912104. Its totient is φ = 84912102.

The previous prime is 84912053. The next prime is 84912109. The reversal of 84912103 is 30121948.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84912103 - 2²¹ = 82814951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84912109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42456051 + 42456052.

It is an arithmetic number, because the mean of its divisors is an integer number (42456052).

Almost surely, 2^84912103 is an apocalyptic number.

84912103 is a deficient number, since it is larger than the sum of its proper divisors (1).

84912103 is an equidigital number, since it uses as much as digits as its factorization.

84912103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 84912103 is about 9214.7763402049. The cubic root of 84912103 is about 439.5313588128.

The spelling of 84912103 in words is "eighty-four million, nine hundred twelve thousand, one hundred three".