16027129 has 4 divisors (see below), whose sum is σ = 16169076. Its totient is φ = 15885184.

The previous prime is 16027097. The next prime is 16027133. The reversal of 16027129 is 92172061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6864400 + 9162729 = 2620^2 + 3027^2 .

It is a cyclic number.

It is not a de Polignac number, because 16027129 - 2⁵ = 16027097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16027097 and 16027106.

It is not an unprimeable number, because it can be changed into a prime (16027729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70804 + ... + 71029.

It is an arithmetic number, because the mean of its divisors is an integer number (4042269).

Almost surely, 2^16027129 is an apocalyptic number.

It is an amenable number.

16027129 is a deficient number, since it is larger than the sum of its proper divisors (141947).

16027129 is a wasteful number, since it uses less digits than its factorization.

16027129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141946.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 16027129 is about 4003.3896887513. The cubic root of 16027129 is about 252.1265478873.

The spelling of 16027129 in words is "sixteen million, twenty-seven thousand, one hundred twenty-nine".