2130571247 has 8 divisors (see below), whose sum is σ = 2435876256. Its totient is φ = 1825500672.

The previous prime is 2130571237. The next prime is 2130571249. The reversal of 2130571247 is 7421750312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2130571247 - 2⁸ = 2130570991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130571249) 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, 38678 + ... + 75875.

It is an arithmetic number, because the mean of its divisors is an integer number (304484532).

Almost surely, 2^2130571247 is an apocalyptic number.

2130571247 is a deficient number, since it is larger than the sum of its proper divisors (305305009).

2130571247 is a wasteful number, since it uses less digits than its factorization.

2130571247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117217.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 2130571247 is about 46158.1113890072. Note that the first 3 decimals coincide. The cubic root of 2130571247 is about 1286.7633634795.

The spelling of 2130571247 in words is "two billion, one hundred thirty million, five hundred seventy-one thousand, two hundred forty-seven".