101130128 has 40 divisors (see below), whose sum is σ = 216789696. Its totient is φ = 45315200.

The previous prime is 101130119. The next prime is 101130143. The reversal of 101130128 is 821031101.

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, 8450 + ... + 16542.

Almost surely, 2^101130128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101130128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108394848).

101130128 is an abundant number, since it is smaller than the sum of its proper divisors (115659568).

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

101130128 is a wasteful number, since it uses less digits than its factorization.

101130128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8183 (or 8177 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 101130128 is about 10056.3476471331. The cubic root of 101130128 is about 465.9008673679.

Adding to 101130128 its reverse (821031101), we get a palindrome (922161229).

The spelling of 101130128 in words is "one hundred one million, one hundred thirty thousand, one hundred twenty-eight".