2123485 has 24 divisors (see below), whose sum is σ = 3162240. Its totient is φ = 1340352.

The previous prime is 2123483. The next prime is 2123491. The reversal of 2123485 is 5843212.

2123485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2123485 - 2¹ = 2123483 is a prime.

Its product of digits (1920) is a multiple of the sum of its prime divisors (384).

2123485 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5736 + ... + 6094.

It is an arithmetic number, because the mean of its divisors is an integer number (131760).

2^2123485 is an apocalyptic number.

It is an amenable number.

2123485 is a deficient number, since it is larger than the sum of its proper divisors (1038755).

2123485 is a wasteful number, since it uses less digits than its factorization.

2123485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 384 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 2123485 is about 1457.2182403470. The cubic root of 2123485 is about 128.5335193939.

Adding to 2123485 its reverse (5843212), we get a palindrome (7966697).

The spelling of 2123485 in words is "two million, one hundred twenty-three thousand, four hundred eighty-five".