100234990 has 8 divisors (see below), whose sum is σ = 180423000. Its totient is φ = 40093992.

The previous prime is 100234951. The next prime is 100234999. The reversal of 100234990 is 99432001.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100234999) 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, 5011740 + ... + 5011759.

It is an arithmetic number, because the mean of its divisors is an integer number (22552875).

Almost surely, 2^100234990 is an apocalyptic number.

100234990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100234990 is a deficient number, since it is larger than the sum of its proper divisors (80188010).

100234990 is a wasteful number, since it uses less digits than its factorization.

100234990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10023506.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 100234990 is about 10011.7426055607. The cubic root of 100234990 is about 464.5221745970.

Adding to 100234990 its reverse (99432001), we get a palindrome (199666991).

The spelling of 100234990 in words is "one hundred million, two hundred thirty-four thousand, nine hundred ninety".