101728534 has 8 divisors (see below), whose sum is σ = 152694648. Its totient is φ = 50830320.

The previous prime is 101728531. The next prime is 101728553. The reversal of 101728534 is 435827101.

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

It is a junction number, because it is equal to n+sod(n) for n = 101728496 and 101728505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101728531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13047 + ... + 19330.

It is an arithmetic number, because the mean of its divisors is an integer number (19086831).

Almost surely, 2^101728534 is an apocalyptic number.

101728534 is a deficient number, since it is larger than the sum of its proper divisors (50966114).

101728534 is a wasteful number, since it uses less digits than its factorization.

101728534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33950.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 101728534 is about 10086.0564146747. The cubic root of 101728534 is about 466.8180018253.

The spelling of 101728534 in words is "one hundred one million, seven hundred twenty-eight thousand, five hundred thirty-four".