101108172 has 24 divisors (see below), whose sum is σ = 257366592. Its totient is φ = 30638800.

The previous prime is 101108141. The next prime is 101108191. The reversal of 101108172 is 271801101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382854 + ... + 383117.

It is an arithmetic number, because the mean of its divisors is an integer number (10723608).

Almost surely, 2^101108172 is an apocalyptic number.

101108172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101108172 is an abundant number, since it is smaller than the sum of its proper divisors (156258420).

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

101108172 is a wasteful number, since it uses less digits than its factorization.

101108172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765989 (or 765987 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 21.

The square root of 101108172 is about 10055.2559390599. The cubic root of 101108172 is about 465.8671482379.

Adding to 101108172 its reverse (271801101), we get a palindrome (372909273).

The spelling of 101108172 in words is "one hundred one million, one hundred eight thousand, one hundred seventy-two".