201107028 has 24 divisors (see below), whose sum is σ = 471219840. Its totient is φ = 66754240.

The previous prime is 201107021. The next prime is 201107033. The reversal of 201107028 is 820701102.

201107028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201106995 and 201107013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201107021) 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, 32193 + ... + 37928.

It is an arithmetic number, because the mean of its divisors is an integer number (19634160).

Almost surely, 2^201107028 is an apocalyptic number.

It is an amenable number.

201107028 is an abundant number, since it is smaller than the sum of its proper divisors (270112812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201107028 is a wasteful number, since it uses less digits than its factorization.

201107028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70367 (or 70365 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 201107028 is about 14181.2209629496. The cubic root of 201107028 is about 585.8805527915.

The spelling of 201107028 in words is "two hundred one million, one hundred seven thousand, twenty-eight".