100247039 has 4 divisors (see below), whose sum is σ = 100350624. Its totient is φ = 100143456.

The previous prime is 100247029. The next prime is 100247047. The reversal of 100247039 is 930742001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100247039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100246999 and 100247017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100247029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50327 + ... + 52280.

It is an arithmetic number, because the mean of its divisors is an integer number (25087656).

Almost surely, 2^100247039 is an apocalyptic number.

100247039 is a deficient number, since it is larger than the sum of its proper divisors (103585).

100247039 is an equidigital number, since it uses as much as digits as its factorization.

100247039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103584.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 100247039 is about 10012.3443308748. The cubic root of 100247039 is about 464.5407868715.

The spelling of 100247039 in words is "one hundred million, two hundred forty-seven thousand, thirty-nine".