28102041 has 12 divisors (see below), whose sum is σ = 44282160. Its totient is φ = 17031480.

The previous prime is 28102001. The next prime is 28102043. The reversal of 28102041 is 14020182.

It is not a de Polignac number, because 28102041 - 2⁹ = 28101529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28102043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141831 + ... + 142028.

It is an arithmetic number, because the mean of its divisors is an integer number (3690180).

Almost surely, 2^28102041 is an apocalyptic number.

It is an amenable number.

28102041 is a deficient number, since it is larger than the sum of its proper divisors (16180119).

28102041 is a wasteful number, since it uses less digits than its factorization.

28102041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283876 (or 283873 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 28102041 is about 5301.1358216895. The cubic root of 28102041 is about 304.0273268660.

It can be divided in two parts, 2810 and 2041, that added together give a triangular number (4851 = T₉₈).

The spelling of 28102041 in words is "twenty-eight million, one hundred two thousand, forty-one".