16942129 has 16 divisors (see below), whose sum is σ = 18532800. Its totient is φ = 15434496.

The previous prime is 16942127. The next prime is 16942147. The reversal of 16942129 is 92124961.

It is a cyclic number.

It is not a de Polignac number, because 16942129 - 2¹ = 16942127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16942094 and 16942103.

It is not an unprimeable number, because it can be changed into a prime (16942127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72597 + ... + 72829.

It is an arithmetic number, because the mean of its divisors is an integer number (1158300).

Almost surely, 2^16942129 is an apocalyptic number.

16942129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16942129 is a deficient number, since it is larger than the sum of its proper divisors (1590671).

16942129 is a wasteful number, since it uses less digits than its factorization.

16942129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its digits is 7776, while the sum is 34.

The square root of 16942129 is about 4116.0817533183. The cubic root of 16942129 is about 256.8360574832.

It can be divided in two parts, 16942 and 129, that added together give a palindrome (17071).

The spelling of 16942129 in words is "sixteen million, nine hundred forty-two thousand, one hundred twenty-nine".