101392729 has 8 divisors (see below), whose sum is σ = 105192000. Its totient is φ = 97613712.

The previous prime is 101392703. The next prime is 101392751. The reversal of 101392729 is 927293101.

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 a de Polignac number, because none of the positive numbers 2^k-101392729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101392694 and 101392703.

It is not an unprimeable number, because it can be changed into a prime (101392769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5542 + ... + 15280.

It is an arithmetic number, because the mean of its divisors is an integer number (13149000).

Almost surely, 2^101392729 is an apocalyptic number.

It is an amenable number.

101392729 is a deficient number, since it is larger than the sum of its proper divisors (3799271).

101392729 is an equidigital number, since it uses as much as digits as its factorization.

101392729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 101392729 is about 10069.3956621041. The cubic root of 101392729 is about 466.3037815518.

The spelling of 101392729 in words is "one hundred one million, three hundred ninety-two thousand, seven hundred twenty-nine".