2142099 has 8 divisors (see below), whose sum is σ = 3173520. Its totient is φ = 1428048.

The previous prime is 2142097. The next prime is 2142121. The reversal of 2142099 is 9902412.

2142099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2142099 - 2¹ = 2142097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 79337 = 2142099 / (2 + 1 + 4 + 2 + 0 + 9 + 9).

It is not an unprimeable number, because it can be changed into a prime (2142097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39642 + ... + 39695.

It is an arithmetic number, because the mean of its divisors is an integer number (396690).

2^2142099 is an apocalyptic number.

2142099 is a deficient number, since it is larger than the sum of its proper divisors (1031421).

2142099 is an equidigital number, since it uses as much as digits as its factorization.

2142099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79346 (or 79340 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2142099 is about 1463.5911314298. The cubic root of 2142099 is about 128.9079928029.

The spelling of 2142099 in words is "two million, one hundred forty-two thousand, ninety-nine".