2121548 has 24 divisors (see below), whose sum is σ = 4362960. Its totient is φ = 889920.

The previous prime is 2121529. The next prime is 2121569. The reversal of 2121548 is 8451212.

2121548 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283 + ... + 2426.

It is an arithmetic number, because the mean of its divisors is an integer number (181790).

2^2121548 is an apocalyptic number.

It is an amenable number.

2121548 is an abundant number, since it is smaller than the sum of its proper divisors (2241412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121548 is a wasteful number, since it uses less digits than its factorization.

2121548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737 (or 3735 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 2121548 is about 1456.5534662346. The cubic root of 2121548 is about 128.4944256137.

The spelling of 2121548 in words is "two million, one hundred twenty-one thousand, five hundred forty-eight".