2128101 has 8 divisors (see below), whose sum is σ = 2845920. Its totient is φ = 1414512.

The previous prime is 2128099. The next prime is 2128103. The reversal of 2128101 is 1018212.

It is an interprime number because it is at equal distance from previous prime (2128099) and next prime (2128103).

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

It is not a de Polignac number, because 2128101 - 2¹ = 2128099 is a prime.

2128101 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (355740).

2^2128101 is an apocalyptic number.

It is an amenable number.

2128101 is a deficient number, since it is larger than the sum of its proper divisors (717819).

2128101 is a wasteful number, since it uses less digits than its factorization.

2128101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 2128101 is about 1458.8012201805. The cubic root of 2128101 is about 128.6265867390.

The spelling of 2128101 in words is "two million, one hundred twenty-eight thousand, one hundred one".