2106543120 has 80 divisors (see below), whose sum is σ = 7123954752. Its totient is φ = 510676480.

The previous prime is 2106543017. The next prime is 2106543143. The reversal of 2106543120 is 213456012.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396327 + ... + 401606.

Almost surely, 2^2106543120 is an apocalyptic number.

2106543120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2106543120 is an abundant number, since it is smaller than the sum of its proper divisors (5017411632).

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

2106543120 is a wasteful number, since it uses less digits than its factorization.

2106543120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797960 (or 797954 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2106543120 is about 45897.0927183847. The cubic root of 2106543120 is about 1281.9077833758.

Adding to 2106543120 its reverse (213456012), we get a palindrome (2319999132).

The spelling of 2106543120 in words is "two billion, one hundred six million, five hundred forty-three thousand, one hundred twenty".