100130072 has 16 divisors (see below), whose sum is σ = 214564560. Its totient is φ = 42912864.

The previous prime is 100130053. The next prime is 100130081. The reversal of 100130072 is 270031001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893963 + ... + 894074.

It is an arithmetic number, because the mean of its divisors is an integer number (13410285).

Almost surely, 2^100130072 is an apocalyptic number.

It is an amenable number.

100130072 is an abundant number, since it is smaller than the sum of its proper divisors (114434488).

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

100130072 is a wasteful number, since it uses less digits than its factorization.

100130072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788050 (or 1788046 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 100130072 is about 10006.5014865336. The cubic root of 100130072 is about 464.3600430832.

Adding to 100130072 its reverse (270031001), we get a palindrome (370161073).

The spelling of 100130072 in words is "one hundred million, one hundred thirty thousand, seventy-two".