100728495 has 32 divisors (see below), whose sum is σ = 204656640. Its totient is φ = 46046880.

The previous prime is 100728493. The next prime is 100728499. The reversal of 100728495 is 594827001.

It is not a de Polignac number, because 100728495 - 2¹ = 100728493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100728493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52351 + ... + 54240.

It is an arithmetic number, because the mean of its divisors is an integer number (6395520).

Almost surely, 2^100728495 is an apocalyptic number.

100728495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100728495 is an abundant number, since it is smaller than the sum of its proper divisors (103928145).

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

100728495 is a wasteful number, since it uses less digits than its factorization.

100728495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106612 (or 106606 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 100728495 is about 10036.3586524197. The cubic root of 100728495 is about 465.2832821216.

The spelling of 100728495 in words is "one hundred million, seven hundred twenty-eight thousand, four hundred ninety-five".