2159101 has 8 divisors (see below), whose sum is σ = 2528064. Its totient is φ = 1805280.

The previous prime is 2159093. The next prime is 2159147. The reversal of 2159101 is 1019512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2159101 - 2³ = 2159093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159191) 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 7 ways as a sum of consecutive naturals, for example, 3475 + ... + 4048.

It is an arithmetic number, because the mean of its divisors is an integer number (316008).

2^2159101 is an apocalyptic number.

It is an amenable number.

2159101 is a deficient number, since it is larger than the sum of its proper divisors (368963).

2159101 is an equidigital number, since it uses as much as digits as its factorization.

2159101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7571.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 2159101 is about 1469.3879678288. The cubic root of 2159101 is about 129.2481452394.

It can be divided in two parts, 215 and 9101, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 2159101 in words is "two million, one hundred fifty-nine thousand, one hundred one".