2120912 has 20 divisors (see below), whose sum is σ = 4169376. Its totient is φ = 1044960.

The previous prime is 2120891. The next prime is 2120917. The reversal of 2120912 is 2190212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203 + ... + 2069.

2^2120912 is an apocalyptic number.

It is an amenable number.

2120912 is a deficient number, since it is larger than the sum of its proper divisors (2048464).

2120912 is a wasteful number, since it uses less digits than its factorization.

2120912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946 (or 1940 counting only the distinct ones).

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

The square root of 2120912 is about 1456.3351262673. The cubic root of 2120912 is about 128.4815842636.

The spelling of 2120912 in words is "two million, one hundred twenty thousand, nine hundred twelve".