16142120 has 16 divisors (see below), whose sum is σ = 36319860. Its totient is φ = 6456832.

The previous prime is 16142107. The next prime is 16142141. The reversal of 16142120 is 2124161.

It can be written as a sum of positive squares in 2 ways, for example, as 14394436 + 1747684 = 3794^2 + 1322^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 201737 + ... + 201816.

Almost surely, 2^16142120 is an apocalyptic number.

16142120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16142120 is an abundant number, since it is smaller than the sum of its proper divisors (20177740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16142120 is a wasteful number, since it uses less digits than its factorization.

16142120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403564 (or 403560 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 16142120 is about 4017.7257248349. The cubic root of 16142120 is about 252.7280950360.

Adding to 16142120 its reverse (2124161), we get a palindrome (18266281).

The spelling of 16142120 in words is "sixteen million, one hundred forty-two thousand, one hundred twenty".