100120302 has 12 divisors (see below), whose sum is σ = 216927360. Its totient is φ = 33373428.

The previous prime is 100120289. The next prime is 100120343. The reversal of 100120302 is 203021001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2781102 + ... + 2781137.

It is an arithmetic number, because the mean of its divisors is an integer number (18077280).

Almost surely, 2^100120302 is an apocalyptic number.

100120302 is an abundant number, since it is smaller than the sum of its proper divisors (116807058).

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

100120302 is a wasteful number, since it uses less digits than its factorization.

100120302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562247 (or 5562244 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 100120302 is about 10006.0132920160. The cubic root of 100120302 is about 464.3449395780.

Adding to 100120302 its reverse (203021001), we get a palindrome (303141303).

It can be divided in two parts, 1001 and 20302, that multiplied together give a palindrome (20322302).

The spelling of 100120302 in words is "one hundred million, one hundred twenty thousand, three hundred two".