2099151 has 6 divisors (see below), whose sum is σ = 3032120. Its totient is φ = 1399428.

The previous prime is 2099147. The next prime is 2099179. The reversal of 2099151 is 1519902.

It is a happy number.

It is not a de Polignac number, because 2099151 - 2² = 2099147 is a prime.

It is a Duffinian number.

2099151 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116611 + ... + 116628.

2^2099151 is an apocalyptic number.

2099151 is a deficient number, since it is larger than the sum of its proper divisors (932969).

2099151 is a wasteful number, since it uses less digits than its factorization.

2099151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233245 (or 233242 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 2099151 is about 1448.8447121759. The cubic root of 2099151 is about 128.0406568438.

The spelling of 2099151 in words is "two million, ninety-nine thousand, one hundred fifty-one".