16131124 has 6 divisors (see below), whose sum is σ = 28229474. Its totient is φ = 8065560.

The previous prime is 16131109. The next prime is 16131127. The reversal of 16131124 is 42113161.

It can be written as a sum of positive squares in only one way, i.e., 10692900 + 5438224 = 3270^2 + 2332^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16131127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016387 + ... + 2016394.

Almost surely, 2^16131124 is an apocalyptic number.

It is an amenable number.

16131124 is a deficient number, since it is larger than the sum of its proper divisors (12098350).

16131124 is a wasteful number, since it uses less digits than its factorization.

16131124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032785 (or 4032783 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 16131124 is about 4016.3570558405. The cubic root of 16131124 is about 252.6706959379.

Adding to 16131124 its reverse (42113161), we get a palindrome (58244285).

The spelling of 16131124 in words is "sixteen million, one hundred thirty-one thousand, one hundred twenty-four".