2147121752 has 64 divisors (see below), whose sum is σ = 4476595200. Its totient is φ = 961269120.

The previous prime is 2147121703. The next prime is 2147121763. The reversal of 2147121752 is 2571217412.

It is a super-2 number, since 2×2147121752² = 9220263635823099008, which contains 22 as substring.

It is a congruent number.

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, 197318 + ... + 207914.

It is an arithmetic number, because the mean of its divisors is an integer number (69946800).

Almost surely, 2^2147121752 is an apocalyptic number.

It is an amenable number.

2147121752 is an abundant number, since it is smaller than the sum of its proper divisors (2329473448).

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

2147121752 is a wasteful number, since it uses less digits than its factorization.

2147121752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10696 (or 10692 counting only the distinct ones).

The product of its digits is 7840, while the sum is 32.

The square root of 2147121752 is about 46337.0451366938. The cubic root of 2147121752 is about 1290.0866780690.

The spelling of 2147121752 in words is "two billion, one hundred forty-seven million, one hundred twenty-one thousand, seven hundred fifty-two".