2119541 has 4 divisors (see below), whose sum is σ = 2138412. Its totient is φ = 2100672.

The previous prime is 2119531. The next prime is 2119561. The reversal of 2119541 is 1459112.

It is a happy number.

2119541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 504100 + 1615441 = 710^2 + 1271^2 .

It is a cyclic number.

It is not a de Polignac number, because 2119541 - 2¹⁰ = 2118517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119511) 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 3 ways as a sum of consecutive naturals, for example, 9266 + ... + 9491.

It is an arithmetic number, because the mean of its divisors is an integer number (534603).

2^2119541 is an apocalyptic number.

It is an amenable number.

2119541 is a deficient number, since it is larger than the sum of its proper divisors (18871).

2119541 is a wasteful number, since it uses less digits than its factorization.

2119541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18870.

The product of its digits is 360, while the sum is 23.

The square root of 2119541 is about 1455.8643480764. The cubic root of 2119541 is about 128.4538939396.

The spelling of 2119541 in words is "two million, one hundred nineteen thousand, five hundred forty-one".