2147124660 has 96 divisors (see below), whose sum is σ = 6117552000. Its totient is φ = 562598400.

The previous prime is 2147124643. The next prime is 2147124677. The reversal of 2147124660 is 664217412.

It is an interprime number because it is at equal distance from previous prime (2147124643) and next prime (2147124677).

It is a super-2 number, since 2×2147124660² = 9220288611160231200, 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 31 ways as a sum of consecutive naturals, for example, 841066 + ... + 843614.

It is an arithmetic number, because the mean of its divisors is an integer number (63724500).

Almost surely, 2^2147124660 is an apocalyptic number.

2147124660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2147124660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3058776000).

2147124660 is an abundant number, since it is smaller than the sum of its proper divisors (3970427340).

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

2147124660 is a wasteful number, since it uses less digits than its factorization.

2147124660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801 (or 2799 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2147124660 is about 46337.0765154644. The cubic root of 2147124660 is about 1290.0872604875.

The spelling of 2147124660 in words is "two billion, one hundred forty-seven million, one hundred twenty-four thousand, six hundred sixty".