101604003 has 4 divisors (see below), whose sum is σ = 135472008. Its totient is φ = 67736000.

The previous prime is 101603981. The next prime is 101604017. The reversal of 101604003 is 300406101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300406101 = 3 ⋅100135367.

It is a cyclic number.

It is not a de Polignac number, because 101604003 - 2¹² = 101599907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101604073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16933998 + ... + 16934003.

It is an arithmetic number, because the mean of its divisors is an integer number (33868002).

Almost surely, 2^101604003 is an apocalyptic number.

101604003 is a deficient number, since it is larger than the sum of its proper divisors (33868005).

101604003 is an equidigital number, since it uses as much as digits as its factorization.

101604003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33868004.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 101604003 is about 10079.8811004892. The cubic root of 101604003 is about 466.6274389362.

The spelling of 101604003 in words is "one hundred one million, six hundred four thousand, three".