100123002 has 48 divisors (see below), whose sum is σ = 258710400. Its totient is φ = 27362016.

The previous prime is 100122977. The next prime is 100123039. The reversal of 100123002 is 200321001.

It is a happy number.

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

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 23 ways as a sum of consecutive naturals, for example, 14377 + ... + 20172.

It is an arithmetic number, because the mean of its divisors is an integer number (5389800).

Almost surely, 2^100123002 is an apocalyptic number.

100123002 is an abundant number, since it is smaller than the sum of its proper divisors (158587398).

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

100123002 is a wasteful number, since it uses less digits than its factorization.

100123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34587 (or 34584 counting only the distinct ones).

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

The square root of 100123002 is about 10006.1482099757. The cubic root of 100123002 is about 464.3491136235.

Adding to 100123002 its reverse (200321001), we get a palindrome (300444003).

The spelling of 100123002 in words is "one hundred million, one hundred twenty-three thousand, two".