102071429 has 2 divisors, whose sum is σ = 102071430. Its totient is φ = 102071428.

The previous prime is 102071423. The next prime is 102071441. The reversal of 102071429 is 924170201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102050404 + 21025 = 10102^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 102071429 - 2¹² = 102067333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102071398 and 102071407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102071423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51035714 + 51035715.

It is an arithmetic number, because the mean of its divisors is an integer number (51035715).

Almost surely, 2^102071429 is an apocalyptic number.

It is an amenable number.

102071429 is a deficient number, since it is larger than the sum of its proper divisors (1).

102071429 is an equidigital number, since it uses as much as digits as its factorization.

102071429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 102071429 is about 10103.0405819238. The cubic root of 102071429 is about 467.3419126704.

The spelling of 102071429 in words is "one hundred two million, seventy-one thousand, four hundred twenty-nine".