101678172 has 12 divisors (see below), whose sum is σ = 237249096. Its totient is φ = 33892720.

The previous prime is 101678149. The next prime is 101678179. The reversal of 101678172 is 271876101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×101678172³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101678179) 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, 4236579 + ... + 4236602.

It is an arithmetic number, because the mean of its divisors is an integer number (19770758).

Almost surely, 2^101678172 is an apocalyptic number.

101678172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101678172 is an abundant number, since it is smaller than the sum of its proper divisors (135570924).

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

101678172 is a wasteful number, since it uses less digits than its factorization.

101678172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473188 (or 8473186 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 33.

The square root of 101678172 is about 10083.5594905767. The cubic root of 101678172 is about 466.7409543868.

The spelling of 101678172 in words is "one hundred one million, six hundred seventy-eight thousand, one hundred seventy-two".