43129103 has 2 divisors, whose sum is σ = 43129104. Its totient is φ = 43129102.

The previous prime is 43129081. The next prime is 43129109. The reversal of 43129103 is 30192134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43129103 - 2²⁰ = 42080527 is a prime.

It is a super-4 number, since 4×43129103⁴ (a number of 32 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43129109) 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, 21564551 + 21564552.

It is an arithmetic number, because the mean of its divisors is an integer number (21564552).

Almost surely, 2^43129103 is an apocalyptic number.

43129103 is a deficient number, since it is larger than the sum of its proper divisors (1).

43129103 is an equidigital number, since it uses as much as digits as its factorization.

43129103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 43129103 is about 6567.2751579327. The cubic root of 43129103 is about 350.6900752580.

The spelling of 43129103 in words is "forty-three million, one hundred twenty-nine thousand, one hundred three".