102743929 has 2 divisors, whose sum is σ = 102743930. Its totient is φ = 102743928.

The previous prime is 102743917. The next prime is 102743939. The reversal of 102743929 is 929347201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99600400 + 3143529 = 9980^2 + 1773^2 .

It is an emirp because it is prime and its reverse (929347201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102743929 - 2¹⁷ = 102612857 is a prime.

It is not a weakly prime, because it can be changed into another prime (102743939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51371964 + 51371965.

It is an arithmetic number, because the mean of its divisors is an integer number (51371965).

Almost surely, 2^102743929 is an apocalyptic number.

It is an amenable number.

102743929 is a deficient number, since it is larger than the sum of its proper divisors (1).

102743929 is an equidigital number, since it uses as much as digits as its factorization.

102743929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 102743929 is about 10136.2680015872. The cubic root of 102743929 is about 468.3660311879.

The spelling of 102743929 in words is "one hundred two million, seven hundred forty-three thousand, nine hundred twenty-nine".