101227878 has 12 divisors (see below), whose sum is σ = 219327108. Its totient is φ = 33742620.

The previous prime is 101227873. The next prime is 101227897. The reversal of 101227878 is 878722101.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101227873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2811868 + ... + 2811903.

It is an arithmetic number, because the mean of its divisors is an integer number (18277259).

Almost surely, 2^101227878 is an apocalyptic number.

101227878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

101227878 is an abundant number, since it is smaller than the sum of its proper divisors (118099230).

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

101227878 is a wasteful number, since it uses less digits than its factorization.

101227878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623779 (or 5623776 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 101227878 is about 10061.2065876812. The cubic root of 101227878 is about 466.0509286317.

Adding to 101227878 its reverse (878722101), we get a palindrome (979949979).

The spelling of 101227878 in words is "one hundred one million, two hundred twenty-seven thousand, eight hundred seventy-eight".