102152729 has 16 divisors (see below), whose sum is σ = 122960640. Its totient is φ = 82969920.

The previous prime is 102152707. The next prime is 102152747. The reversal of 102152729 is 927251201.

It is a cyclic number.

It is not a de Polignac number, because 102152729 - 2¹² = 102148633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102152789) 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 15 ways as a sum of consecutive naturals, for example, 14639 + ... + 20459.

It is an arithmetic number, because the mean of its divisors is an integer number (7685040).

Almost surely, 2^102152729 is an apocalyptic number.

It is an amenable number.

102152729 is a deficient number, since it is larger than the sum of its proper divisors (20807911).

102152729 is a wasteful number, since it uses less digits than its factorization.

102152729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 102152729 is about 10107.0633222514. The cubic root of 102152729 is about 467.4659591827.

The spelling of 102152729 in words is "one hundred two million, one hundred fifty-two thousand, seven hundred twenty-nine".