102568731 has 8 divisors (see below), whose sum is σ = 137013264. Its totient is φ = 68251680.

The previous prime is 102568721. The next prime is 102568771. The reversal of 102568731 is 137865201.

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

It is not a de Polignac number, because 102568731 - 2¹³ = 102560539 is a prime.

It is a super-2 number, since 2×102568731² = 21040689157900722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102568692 and 102568701.

It is not an unprimeable number, because it can be changed into a prime (102568721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29976 + ... + 33221.

It is an arithmetic number, because the mean of its divisors is an integer number (17126658).

Almost surely, 2^102568731 is an apocalyptic number.

102568731 is a deficient number, since it is larger than the sum of its proper divisors (34444533).

102568731 is an equidigital number, since it uses as much as digits as its factorization.

102568731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63741.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 102568731 is about 10127.6221789717. The cubic root of 102568731 is about 468.0996619150.

The spelling of 102568731 in words is "one hundred two million, five hundred sixty-eight thousand, seven hundred thirty-one".