102001043 has 2 divisors, whose sum is σ = 102001044. Its totient is φ = 102001042.

The previous prime is 102001027. The next prime is 102001051. The reversal of 102001043 is 340100201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102001043 - 2⁴ = 102001027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (102001073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000521 + 51000522.

It is an arithmetic number, because the mean of its divisors is an integer number (51000522).

Almost surely, 2^102001043 is an apocalyptic number.

102001043 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001043 is an equidigital number, since it uses as much as digits as its factorization.

102001043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 102001043 is about 10099.5565744244. The cubic root of 102001043 is about 467.2344653918.

Adding to 102001043 its reverse (340100201), we get a palindrome (442101244).

The spelling of 102001043 in words is "one hundred two million, one thousand, forty-three".