16129241 has 2 divisors, whose sum is σ = 16129242. Its totient is φ = 16129240.

The previous prime is 16129231. The next prime is 16129247. The reversal of 16129241 is 14292161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12145225 + 3984016 = 3485^2 + 1996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16129241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16129241.

It is not a weakly prime, because it can be changed into another prime (16129247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8064620 + 8064621.

It is an arithmetic number, because the mean of its divisors is an integer number (8064621).

Almost surely, 2^16129241 is an apocalyptic number.

It is an amenable number.

16129241 is a deficient number, since it is larger than the sum of its proper divisors (1).

16129241 is an equidigital number, since it uses as much as digits as its factorization.

16129241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 16129241 is about 4016.1226325898. The cubic root of 16129241 is about 252.6608640660.

The spelling of 16129241 in words is "sixteen million, one hundred twenty-nine thousand, two hundred forty-one".