2121076 has 12 divisors (see below), whose sum is σ = 3723300. Its totient is φ = 1057280.

The previous prime is 2121043. The next prime is 2121121. The reversal of 2121076 is 6701212.

It can be written as a sum of positive squares in 2 ways, for example, as 1664100 + 456976 = 1290^2 + 676^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206 + ... + 2386.

It is an arithmetic number, because the mean of its divisors is an integer number (310275).

2^2121076 is an apocalyptic number.

It is an amenable number.

2121076 is a deficient number, since it is larger than the sum of its proper divisors (1602224).

2121076 is a wasteful number, since it uses less digits than its factorization.

2121076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2121076 is about 1456.3914309004. The cubic root of 2121076 is about 128.4848958007.

Adding to 2121076 its reverse (6701212), we get a palindrome (8822288).

The spelling of 2121076 in words is "two million, one hundred twenty-one thousand, seventy-six".