100013087 has 2 divisors, whose sum is σ = 100013088. Its totient is φ = 100013086.

The previous prime is 100013071. The next prime is 100013113. The reversal of 100013087 is 780310001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100013087 - 2⁴ = 100013071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100013027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50006543 + 50006544.

It is an arithmetic number, because the mean of its divisors is an integer number (50006544).

Almost surely, 2^100013087 is an apocalyptic number.

100013087 is a deficient number, since it is larger than the sum of its proper divisors (1).

100013087 is an equidigital number, since it uses as much as digits as its factorization.

100013087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 100013087 is about 10000.6543285927. The cubic root of 100013087 is about 464.1791306357.

Adding to 100013087 its reverse (780310001), we get a palindrome (880323088).

The spelling of 100013087 in words is "one hundred million, thirteen thousand, eighty-seven".