2129056 has 12 divisors (see below), whose sum is σ = 4191642. Its totient is φ = 1064512.

The previous prime is 2129051. The next prime is 2129069. The reversal of 2129056 is 6509212.

It can be written as a sum of positive squares in only one way, i.e., 1245456 + 883600 = 1116^2 + 940^2 .

It is a super-2 number, since 2×2129056² = 9065758902272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2129056.

It is not an unprimeable number, because it can be changed into a prime (2129051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33235 + ... + 33298.

2^2129056 is an apocalyptic number.

It is an amenable number.

2129056 is a deficient number, since it is larger than the sum of its proper divisors (2062586).

2129056 is an equidigital number, since it uses as much as digits as its factorization.

2129056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66543 (or 66535 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2129056 is about 1459.1285070205. The cubic root of 2129056 is about 128.6458245508.

The spelling of 2129056 in words is "two million, one hundred twenty-nine thousand, fifty-six".