28119124 has 24 divisors (see below), whose sum is σ = 54444096. Its totient is φ = 12600000.

The previous prime is 28119121. The next prime is 28119127. The reversal of 28119124 is 42191182.

It is an interprime number because it is at equal distance from previous prime (28119121) and next prime (28119127).

It is a junction number, because it is equal to n+sod(n) for n = 28119092 and 28119101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28119121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377 + ... + 7624.

It is an arithmetic number, because the mean of its divisors is an integer number (2268504).

Almost surely, 2^28119124 is an apocalyptic number.

It is an amenable number.

28119124 is a deficient number, since it is larger than the sum of its proper divisors (26324972).

28119124 is a wasteful number, since it uses less digits than its factorization.

28119124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9087 (or 9085 counting only the distinct ones).

The product of its digits is 1152, while the sum is 28.

The square root of 28119124 is about 5302.7468353675. The cubic root of 28119124 is about 304.0889196257.

It can be divided in two parts, 2811 and 9124, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 28119124 in words is "twenty-eight million, one hundred nineteen thousand, one hundred twenty-four".