28151124 has 24 divisors (see below), whose sum is σ = 66339168. Its totient is φ = 9290400.

The previous prime is 28151113. The next prime is 28151129. The reversal of 28151124 is 42115182.

It is a junction number, because it is equal to n+sod(n) for n = 28151094 and 28151103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28151129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10402 + ... + 12825.

It is an arithmetic number, because the mean of its divisors is an integer number (2764132).

Almost surely, 2^28151124 is an apocalyptic number.

It is an amenable number.

28151124 is an abundant number, since it is smaller than the sum of its proper divisors (38188044).

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

28151124 is a wasteful number, since it uses less digits than its factorization.

28151124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23335 (or 23333 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 28151124 is about 5305.7632815647. The cubic root of 28151124 is about 304.2042285340.

The spelling of 28151124 in words is "twenty-eight million, one hundred fifty-one thousand, one hundred twenty-four".