100120270 has 8 divisors (see below), whose sum is σ = 180216504. Its totient is φ = 40048104.

The previous prime is 100120247. The next prime is 100120271. The reversal of 100120270 is 72021001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100120270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5006004 + ... + 5006023.

It is an arithmetic number, because the mean of its divisors is an integer number (22527063).

Almost surely, 2^100120270 is an apocalyptic number.

100120270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100120270 is a deficient number, since it is larger than the sum of its proper divisors (80096234).

100120270 is a wasteful number, since it uses less digits than its factorization.

100120270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10012034.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 100120270 is about 10006.0116929774. The cubic root of 100120270 is about 464.3448901074.

Adding to 100120270 its reverse (72021001), we get a palindrome (172141271).

The spelling of 100120270 in words is "one hundred million, one hundred twenty thousand, two hundred seventy".