2128612 has 6 divisors (see below), whose sum is σ = 3725078. Its totient is φ = 1064304.

The previous prime is 2128603. The next prime is 2128631. The reversal of 2128612 is 2168212.

It can be written as a sum of positive squares in only one way, i.e., 1498176 + 630436 = 1224^2 + 794^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266073 + ... + 266080.

2^2128612 is an apocalyptic number.

It is an amenable number.

2128612 is a deficient number, since it is larger than the sum of its proper divisors (1596466).

2128612 is a wasteful number, since it uses less digits than its factorization.

2128612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532157 (or 532155 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 2128612 is about 1458.9763534753. The cubic root of 2128612 is about 128.6368811949.

The spelling of 2128612 in words is "two million, one hundred twenty-eight thousand, six hundred twelve".