2142080 has 32 divisors (see below), whose sum is σ = 5122440. Its totient is φ = 856576.

The previous prime is 2142073. The next prime is 2142083. The reversal of 2142080 is 802412.

It is a tau number, because it is divible by the number of its divisors (32).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034 + ... + 2313.

2^2142080 is an apocalyptic number.

2142080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142080 is an abundant number, since it is smaller than the sum of its proper divisors (2980360).

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

2142080 is an equidigital number, since it uses as much as digits as its factorization.

2142080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2142080 is about 1463.5846405316. The cubic root of 2142080 is about 128.9076116722.

Adding to 2142080 its reverse (802412), we get a palindrome (2944492).

The spelling of 2142080 in words is "two million, one hundred forty-two thousand, eighty".