2057142 has 16 divisors (see below), whose sum is σ = 4192560. Its totient is φ = 672672.

The previous prime is 2057141. The next prime is 2057147. The reversal of 2057142 is 2417502.

2057142 is nontrivially palindromic in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057141) 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, 2917 + ... + 3552.

It is an arithmetic number, because the mean of its divisors is an integer number (262035).

2^2057142 is an apocalyptic number.

2057142 is an abundant number, since it is smaller than the sum of its proper divisors (2135418).

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

2057142 is a wasteful number, since it uses less digits than its factorization.

2057142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6527.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2057142 is about 1434.2740323941. The cubic root of 2057142 is about 127.1807622898.

The spelling of 2057142 in words is "two million, fifty-seven thousand, one hundred forty-two".