2101194 has 32 divisors (see below), whose sum is σ = 4717440. Its totient is φ = 693216.

The previous prime is 2101189. The next prime is 2101199. The reversal of 2101194 is 4911012.

It is an interprime number because it is at equal distance from previous prime (2101189) and next prime (2101199).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2101199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8902 + ... + 9134.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

2^2101194 is an apocalyptic number.

2101194 is an abundant number, since it is smaller than the sum of its proper divisors (2616246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101194 is a wasteful number, since it uses less digits than its factorization.

2101194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 2101194 is about 1449.5495852160. The cubic root of 2101194 is about 128.0821819246.

The spelling of 2101194 in words is "two million, one hundred one thousand, one hundred ninety-four".