2120453541 has 12 divisors (see below), whose sum is σ = 3078915840. Its totient is φ = 1406233320.

The previous prime is 2120453527. The next prime is 2120453549. The reversal of 2120453541 is 1453540212.

2120453541 is a `hidden beast` number, since 2 + 120 + 4 + 535 + 4 + 1 = 666.

It is not a de Polignac number, because 2120453541 - 2⁵ = 2120453509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120453549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 615051 + ... + 618488.

It is an arithmetic number, because the mean of its divisors is an integer number (256576320).

Almost surely, 2^2120453541 is an apocalyptic number.

It is an amenable number.

2120453541 is a deficient number, since it is larger than the sum of its proper divisors (958462299).

2120453541 is a wasteful number, since it uses less digits than its factorization.

2120453541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233736 (or 1233733 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2120453541 is about 46048.3826100331. The cubic root of 2120453541 is about 1284.7232601627.

Adding to 2120453541 its reverse (1453540212), we get a palindrome (3573993753).

The spelling of 2120453541 in words is "two billion, one hundred twenty million, four hundred fifty-three thousand, five hundred forty-one".