2142372 has 12 divisors (see below), whose sum is σ = 4998896. Its totient is φ = 714120.

The previous prime is 2142353. The next prime is 2142377. The reversal of 2142372 is 2732412.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2142377) 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 in 3 ways as a sum of consecutive naturals, for example, 89254 + ... + 89277.

2^2142372 is an apocalyptic number.

It is an amenable number.

2142372 is an abundant number, since it is smaller than the sum of its proper divisors (2856524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142372 is a wasteful number, since it uses less digits than its factorization.

2142372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178538 (or 178536 counting only the distinct ones).

The product of its digits is 672, while the sum is 21.

The square root of 2142372 is about 1463.6843922103. The cubic root of 2142372 is about 128.9134688005.

Adding to 2142372 its reverse (2732412), we get a palindrome (4874784).

The spelling of 2142372 in words is "two million, one hundred forty-two thousand, three hundred seventy-two".