2126056 has 8 divisors (see below), whose sum is σ = 3986370. Its totient is φ = 1063024.

The previous prime is 2126041. The next prime is 2126063. The reversal of 2126056 is 6506212.

It can be written as a sum of positive squares in only one way, i.e., 1865956 + 260100 = 1366^2 + 510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2126056² = 9040228230272, which contains 22 as substring.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132871 + ... + 132886.

2^2126056 is an apocalyptic number.

It is an amenable number.

2126056 is a deficient number, since it is larger than the sum of its proper divisors (1860314).

2126056 is a wasteful number, since it uses less digits than its factorization.

2126056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265763 (or 265759 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2126056 is about 1458.1001337357. The cubic root of 2126056 is about 128.5853722679.

It can be divided in two parts, 21260 and 56, that added together give a square (21316 = 146²).

The spelling of 2126056 in words is "two million, one hundred twenty-six thousand, fifty-six".