107728131251 has 8 divisors (see below), whose sum is σ = 116036474400. Its totient is φ = 99422868672.

The previous prime is 107728131223. The next prime is 107728131271. The reversal of 107728131251 is 152131827701.

It is a happy number.

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 107728131251 - 2⁶ = 107728131187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107728131221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697250 + ... + 837623.

It is an arithmetic number, because the mean of its divisors is an integer number (14504559300).

Almost surely, 2^107728131251 is an apocalyptic number.

107728131251 is a deficient number, since it is larger than the sum of its proper divisors (8308343149).

107728131251 is a wasteful number, since it uses less digits than its factorization.

107728131251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540285.

The product of its (nonzero) digits is 23520, while the sum is 38.

Adding to 107728131251 its reverse (152131827701), we get a palindrome (259859958952).

The spelling of 107728131251 in words is "one hundred seven billion, seven hundred twenty-eight million, one hundred thirty-one thousand, two hundred fifty-one".