101728972 has 6 divisors (see below), whose sum is σ = 178025708. Its totient is φ = 50864484.

The previous prime is 101728961. The next prime is 101728973. The reversal of 101728972 is 279827101.

It is not an unprimeable number, because it can be changed into a prime (101728973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12716118 + ... + 12716125.

Almost surely, 2^101728972 is an apocalyptic number.

It is an amenable number.

101728972 is a deficient number, since it is larger than the sum of its proper divisors (76296736).

101728972 is a wasteful number, since it uses less digits than its factorization.

101728972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25432247 (or 25432245 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 101728972 is about 10086.0781277958. The cubic root of 101728972 is about 466.8186717979.

The spelling of 101728972 in words is "one hundred one million, seven hundred twenty-eight thousand, nine hundred seventy-two".