100503869 has 4 divisors (see below), whose sum is σ = 100524096. Its totient is φ = 100483644.

The previous prime is 100503841. The next prime is 100503889. The reversal of 100503869 is 968305001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 968305001 = 5417 ⋅178753.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100503869 is a prime.

It is a super-2 number, since 2×100503869² = 20202055367938322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100503839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3062 + ... + 14504.

It is an arithmetic number, because the mean of its divisors is an integer number (25131024).

Almost surely, 2^100503869 is an apocalyptic number.

It is an amenable number.

100503869 is a deficient number, since it is larger than the sum of its proper divisors (20227).

100503869 is an equidigital number, since it uses as much as digits as its factorization.

100503869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20226.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 100503869 is about 10025.1617942056. The cubic root of 100503869 is about 464.9371618945.

The spelling of 100503869 in words is "one hundred million, five hundred three thousand, eight hundred sixty-nine".