101728542 has 8 divisors (see below), whose sum is σ = 203457096. Its totient is φ = 33909512.

The previous prime is 101728531. The next prime is 101728553. The reversal of 101728542 is 245827101.

It is an interprime number because it is at equal distance from previous prime (101728531) and next prime (101728553).

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

101728542 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8477373 + ... + 8477384.

It is an arithmetic number, because the mean of its divisors is an integer number (25432137).

Almost surely, 2^101728542 is an apocalyptic number.

101728542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101728542 is a wasteful number, since it uses less digits than its factorization.

101728542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16954762.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 101728542 is about 10086.0568112618. The cubic root of 101728542 is about 466.8180140623.

The spelling of 101728542 in words is "one hundred one million, seven hundred twenty-eight thousand, five hundred forty-two".