2120142 has 16 divisors (see below), whose sum is σ = 4257792. Its totient is φ = 703800.

The previous prime is 2120119. The next prime is 2120143. The reversal of 2120142 is 2410212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120143) 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, 1267 + ... + 2417.

It is an arithmetic number, because the mean of its divisors is an integer number (266112).

2^2120142 is an apocalyptic number.

2120142 is an abundant number, since it is smaller than the sum of its proper divisors (2137650).

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

2120142 is a wasteful number, since it uses less digits than its factorization.

2120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2120142 is about 1456.0707400398. The cubic root of 2120142 is about 128.4660339100.

Adding to 2120142 its reverse (2410212), we get a palindrome (4530354).

The spelling of 2120142 in words is "two million, one hundred twenty thousand, one hundred forty-two".