2107142 has 4 divisors (see below), whose sum is σ = 3160716. Its totient is φ = 1053570.

The previous prime is 2107141. The next prime is 2107153. The reversal of 2107142 is 2417012.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2107142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526784 + ... + 526787.

It is an arithmetic number, because the mean of its divisors is an integer number (790179).

2^2107142 is an apocalyptic number.

2107142 is a deficient number, since it is larger than the sum of its proper divisors (1053574).

2107142 is a wasteful number, since it uses less digits than its factorization.

2107142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053573.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 2107142 is about 1451.5998071094. The cubic root of 2107142 is about 128.2029251922.

The spelling of 2107142 in words is "two million, one hundred seven thousand, one hundred forty-two".