18941101 has 4 divisors (see below), whose sum is σ = 19223872. Its totient is φ = 18658332.

The previous prime is 18941071. The next prime is 18941123. The reversal of 18941101 is 10114981.

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.

It is a cyclic number.

It is not a de Polignac number, because 18941101 - 2⁹ = 18940589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18941191) 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, 141285 + ... + 141418.

It is an arithmetic number, because the mean of its divisors is an integer number (4805968).

Almost surely, 2^18941101 is an apocalyptic number.

It is an amenable number.

18941101 is a deficient number, since it is larger than the sum of its proper divisors (282771).

18941101 is an equidigital number, since it uses as much as digits as its factorization.

18941101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282770.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 18941101 is about 4352.1375208052. The cubic root of 18941101 is about 266.5641493085.

The spelling of 18941101 in words is "eighteen million, nine hundred forty-one thousand, one hundred one".