101728055 has 32 divisors (see below), whose sum is σ = 145454400. Its totient is φ = 67322880.

The previous prime is 101728049. The next prime is 101728079. The reversal of 101728055 is 550827101.

It is not a de Polignac number, because 101728055 - 2⁸ = 101727799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51221 + ... + 53169.

It is an arithmetic number, because the mean of its divisors is an integer number (4545450).

Almost surely, 2^101728055 is an apocalyptic number.

101728055 is a deficient number, since it is larger than the sum of its proper divisors (43726345).

101728055 is a wasteful number, since it uses less digits than its factorization.

101728055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 101728055 is about 10086.0326689933. The cubic root of 101728055 is about 466.8172691362.

It can be divided in two parts, 1017280 and 55, that multiplied together give a square (55950400 = 7480²).

The spelling of 101728055 in words is "one hundred one million, seven hundred twenty-eight thousand, fifty-five".