102043147 has 2 divisors, whose sum is σ = 102043148. Its totient is φ = 102043146.

The previous prime is 102043121. The next prime is 102043159. The reversal of 102043147 is 741340201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102043147 is a prime.

It is not a weakly prime, because it can be changed into another prime (102143147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51021573 + 51021574.

It is an arithmetic number, because the mean of its divisors is an integer number (51021574).

Almost surely, 2^102043147 is an apocalyptic number.

102043147 is a deficient number, since it is larger than the sum of its proper divisors (1).

102043147 is an equidigital number, since it uses as much as digits as its factorization.

102043147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 102043147 is about 10101.6408073144. The cubic root of 102043147 is about 467.2987449102.

Adding to 102043147 its reverse (741340201), we get a palindrome (843383348).

The spelling of 102043147 in words is "one hundred two million, forty-three thousand, one hundred forty-seven".