100003239987 has 8 divisors (see below), whose sum is σ = 152385889536. Its totient is φ = 57144708552.

The previous prime is 100003239983. The next prime is 100003240003. The reversal of 100003239987 is 789932300001.

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

It is not a de Polignac number, because 100003239987 - 2² = 100003239983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100003239983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2381029503 + ... + 2381029544.

It is an arithmetic number, because the mean of its divisors is an integer number (19048236192).

Almost surely, 2^100003239987 is an apocalyptic number.

100003239987 is a deficient number, since it is larger than the sum of its proper divisors (52382649549).

100003239987 is an equidigital number, since it uses as much as digits as its factorization.

100003239987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762059057.

The product of its (nonzero) digits is 81648, while the sum is 42.

Adding to 100003239987 its reverse (789932300001), we get a palindrome (889935539988).

The spelling of 100003239987 in words is "one hundred billion, three million, two hundred thirty-nine thousand, nine hundred eighty-seven".