16121037 has 8 divisors (see below), whose sum is σ = 21587904. Its totient is φ = 10700768.

The previous prime is 16121029. The next prime is 16121041. The reversal of 16121037 is 73012161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16121037 - 2³ = 16121029 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16121057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10833 + ... + 12230.

It is an arithmetic number, because the mean of its divisors is an integer number (2698488).

Almost surely, 2^16121037 is an apocalyptic number.

It is an amenable number.

16121037 is a deficient number, since it is larger than the sum of its proper divisors (5466867).

16121037 is a wasteful number, since it uses less digits than its factorization.

16121037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23299.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 16121037 is about 4015.1011195236. The cubic root of 16121037 is about 252.6180188742.

Adding to 16121037 its reverse (73012161), we get a palindrome (89133198).

The spelling of 16121037 in words is "sixteen million, one hundred twenty-one thousand, thirty-seven".