2121092 has 12 divisors (see below), whose sum is σ = 3773196. Its totient is φ = 1043040.

The previous prime is 2121043. The next prime is 2121121. The reversal of 2121092 is 2901212.

It can be written as a sum of positive squares in 2 ways, for example, as 87616 + 2033476 = 296^2 + 1426^2 .

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 2121092.

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, 4103 + ... + 4590.

It is an arithmetic number, because the mean of its divisors is an integer number (314433).

2^2121092 is an apocalyptic number.

It is an amenable number.

2121092 is a deficient number, since it is larger than the sum of its proper divisors (1652104).

2121092 is a wasteful number, since it uses less digits than its factorization.

2121092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758 (or 8756 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2121092 is about 1456.3969239188. The cubic root of 2121092 is about 128.4852188684.

The spelling of 2121092 in words is "two million, one hundred twenty-one thousand, ninety-two".