28120150 has 12 divisors (see below), whose sum is σ = 52303572. Its totient is φ = 11248040.

The previous prime is 28120109. The next prime is 28120153. The reversal of 28120150 is 5102182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28120153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281152 + ... + 281251.

It is an arithmetic number, because the mean of its divisors is an integer number (4358631).

Almost surely, 2^28120150 is an apocalyptic number.

28120150 is a deficient number, since it is larger than the sum of its proper divisors (24183422).

28120150 is a wasteful number, since it uses less digits than its factorization.

28120150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562415 (or 562410 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 28120150 is about 5302.8435767991. The cubic root of 28120150 is about 304.0926180747.

The spelling of 28120150 in words is "twenty-eight million, one hundred twenty thousand, one hundred fifty".