101152180 has 24 divisors (see below), whose sum is σ = 214486272. Its totient is φ = 40067232.

The previous prime is 101152157. The next prime is 101152187. The reversal of 101152180 is 81251101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101152187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22492 + ... + 26611.

It is an arithmetic number, because the mean of its divisors is an integer number (8936928).

Almost surely, 2^101152180 is an apocalyptic number.

101152180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101152180 is an abundant number, since it is smaller than the sum of its proper divisors (113334092).

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

101152180 is a wasteful number, since it uses less digits than its factorization.

101152180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49215 (or 49213 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 101152180 is about 10057.4440092898. Note that the first 3 decimals coincide. The cubic root of 101152180 is about 465.9347290187.

The spelling of 101152180 in words is "one hundred one million, one hundred fifty-two thousand, one hundred eighty".