1994101 has 2 divisors, whose sum is σ = 1994102. Its totient is φ = 1994100.

The previous prime is 1994093. The next prime is 1994119. The reversal of 1994101 is 1014991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1932100 + 62001 = 1390^2 + 249^2 .

It is a cyclic number.

It is not a de Polignac number, because 1994101 - 2³ = 1994093 is a prime.

1994101 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1994191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997050 + 997051.

It is an arithmetic number, because the mean of its divisors is an integer number (997051).

2^1994101 is an apocalyptic number.

It is an amenable number.

1994101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1994101 is an equidigital number, since it uses as much as digits as its factorization.

1994101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 1994101 is about 1412.1264107721. The cubic root of 1994101 is about 125.8681117656.

The spelling of 1994101 in words is "one million, nine hundred ninety-four thousand, one hundred one".