2972128120 has 32 divisors (see below), whose sum is σ = 7201696320. Its totient is φ = 1097400960.

The previous prime is 2972128097. The next prime is 2972128123. The reversal of 2972128120 is 218212792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972128123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2857296 + ... + 2858335.

It is an arithmetic number, because the mean of its divisors is an integer number (225053010).

Almost surely, 2^2972128120 is an apocalyptic number.

2972128120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2972128120 is an abundant number, since it is smaller than the sum of its proper divisors (4229568200).

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

2972128120 is a wasteful number, since it uses less digits than its factorization.

2972128120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715655 (or 5715651 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 2972128120 is about 54517.2277358268. The cubic root of 2972128120 is about 1437.7691989353.

The spelling of 2972128120 in words is "two billion, nine hundred seventy-two million, one hundred twenty-eight thousand, one hundred twenty".