2128057 has 8 divisors (see below), whose sum is σ = 2312960. Its totient is φ = 1950480.

The previous prime is 2128051. The next prime is 2128067. The reversal of 2128057 is 7508212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2128057 - 2¹⁹ = 1603769 is a prime.

It is a Duffinian number.

2128057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2128051) 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, 1218 + ... + 2395.

It is an arithmetic number, because the mean of its divisors is an integer number (289120).

2^2128057 is an apocalyptic number.

It is an amenable number.

2128057 is a deficient number, since it is larger than the sum of its proper divisors (184903).

2128057 is a wasteful number, since it uses less digits than its factorization.

2128057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2128057 is about 1458.7861392267. The cubic root of 2128057 is about 128.6257002508.

The spelling of 2128057 in words is "two million, one hundred twenty-eight thousand, fifty-seven".