28125110 has 16 divisors (see below), whose sum is σ = 54519696. Its totient is φ = 10384608.

The previous prime is 28125107. The next prime is 28125127. The reversal of 28125110 is 1152182.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108044 + ... + 108303.

It is an arithmetic number, because the mean of its divisors is an integer number (3407481).

Almost surely, 2^28125110 is an apocalyptic number.

28125110 is a deficient number, since it is larger than the sum of its proper divisors (26394586).

28125110 is a wasteful number, since it uses less digits than its factorization.

28125110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216367.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 28125110 is about 5303.3112297884. The cubic root of 28125110 is about 304.1104962476.

Adding to 28125110 its reverse (1152182), we get a palindrome (29277292).

The spelling of 28125110 in words is "twenty-eight million, one hundred twenty-five thousand, one hundred ten".