100204387 has 2 divisors, whose sum is σ = 100204388. Its totient is φ = 100204386.

The previous prime is 100204373. The next prime is 100204393. The reversal of 100204387 is 783402001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100204387 - 2⁷ = 100204259 is a prime.

It is not a weakly prime, because it can be changed into another prime (100204327) 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 as a sum of consecutive naturals, namely, 50102193 + 50102194.

It is an arithmetic number, because the mean of its divisors is an integer number (50102194).

Almost surely, 2^100204387 is an apocalyptic number.

100204387 is a deficient number, since it is larger than the sum of its proper divisors (1).

100204387 is an equidigital number, since it uses as much as digits as its factorization.

100204387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 100204387 is about 10010.2141335738. The cubic root of 100204387 is about 464.4748949691.

Adding to 100204387 its reverse (783402001), we get a palindrome (883606388).

The spelling of 100204387 in words is "one hundred million, two hundred four thousand, three hundred eighty-seven".