101228628 has 12 divisors (see below), whose sum is σ = 236200160. Its totient is φ = 33742872.

The previous prime is 101228597. The next prime is 101228629. The reversal of 101228628 is 826822101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 101228595 and 101228604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101228629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4217848 + ... + 4217871.

Almost surely, 2^101228628 is an apocalyptic number.

It is an amenable number.

101228628 is an abundant number, since it is smaller than the sum of its proper divisors (134971532).

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

101228628 is a wasteful number, since it uses less digits than its factorization.

101228628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8435726 (or 8435724 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 101228628 is about 10061.2438594838. The cubic root of 101228628 is about 466.0520796234.

The spelling of 101228628 in words is "one hundred one million, two hundred twenty-eight thousand, six hundred twenty-eight".