16123249 has 4 divisors (see below), whose sum is σ = 16138660. Its totient is φ = 16107840.

The previous prime is 16123241. The next prime is 16123271. The reversal of 16123249 is 94232161.

16123249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 378225 + 15745024 = 615^2 + 3968^2 .

It is a cyclic number.

It is not a de Polignac number, because 16123249 - 2³ = 16123241 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (16123241) 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, 6012 + ... + 8269.

It is an arithmetic number, because the mean of its divisors is an integer number (4034665).

Almost surely, 2^16123249 is an apocalyptic number.

It is an amenable number.

16123249 is a deficient number, since it is larger than the sum of its proper divisors (15411).

16123249 is a wasteful number, since it uses less digits than its factorization.

16123249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15410.

The product of its digits is 2592, while the sum is 28.

The square root of 16123249 is about 4015.3765701364. The cubic root of 16123249 is about 252.6295724218.

It can be divided in two parts, 1 and 6123249, that added together give a triangular number (6123250 = T₃₄₉₉).

The spelling of 16123249 in words is "sixteen million, one hundred twenty-three thousand, two hundred forty-nine".