28154127 has 16 divisors (see below), whose sum is σ = 38396160. Its totient is φ = 18345600.

The previous prime is 28154083. The next prime is 28154131. The reversal of 28154127 is 72145182.

It is not a de Polignac number, because 28154127 - 2⁷ = 28153999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28154094 and 28154103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28154177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27399 + ... + 28407.

It is an arithmetic number, because the mean of its divisors is an integer number (2399760).

Almost surely, 2^28154127 is an apocalyptic number.

28154127 is a deficient number, since it is larger than the sum of its proper divisors (10242033).

28154127 is a wasteful number, since it uses less digits than its factorization.

28154127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214.

The product of its digits is 4480, while the sum is 30.

The square root of 28154127 is about 5306.0462681737. The cubic root of 28154127 is about 304.2150450686.

The spelling of 28154127 in words is "twenty-eight million, one hundred fifty-four thousand, one hundred twenty-seven".