101530788 has 12 divisors (see below), whose sum is σ = 236905200. Its totient is φ = 33843592.

The previous prime is 101530787. The next prime is 101530789. The reversal of 101530788 is 887035101.

It is an interprime number because it is at equal distance from previous prime (101530787) and next prime (101530789).

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

It is not an unprimeable number, because it can be changed into a prime (101530787) 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, 4230438 + ... + 4230461.

It is an arithmetic number, because the mean of its divisors is an integer number (19742100).

Almost surely, 2^101530788 is an apocalyptic number.

It is an amenable number.

101530788 is an abundant number, since it is smaller than the sum of its proper divisors (135374412).

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

101530788 is a wasteful number, since it uses less digits than its factorization.

101530788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8460906 (or 8460904 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 101530788 is about 10076.2487067361. The cubic root of 101530788 is about 466.5153293856.

Adding to 101530788 its reverse (887035101), we get a palindrome (988565889).

The spelling of 101530788 in words is "one hundred one million, five hundred thirty thousand, seven hundred eighty-eight".