194712029 has 2 divisors, whose sum is σ = 194712030. Its totient is φ = 194712028.

The previous prime is 194712013. The next prime is 194712031. The reversal of 194712029 is 920217491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193905625 + 806404 = 13925^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 194712029 - 2⁴ = 194712013 is a prime.

Together with 194712031, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194712029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194712229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97356014 + 97356015.

It is an arithmetic number, because the mean of its divisors is an integer number (97356015).

Almost surely, 2^194712029 is an apocalyptic number.

It is an amenable number.

194712029 is a deficient number, since it is larger than the sum of its proper divisors (1).

194712029 is an equidigital number, since it uses as much as digits as its factorization.

194712029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 194712029 is about 13953.9252183749. The cubic root of 194712029 is about 579.6034040633.

The spelling of 194712029 in words is "one hundred ninety-four million, seven hundred twelve thousand, twenty-nine".