101227280 has 80 divisors (see below), whose sum is σ = 293445504. Its totient is φ = 31549440.

The previous prime is 101227279. The next prime is 101227337. The reversal of 101227280 is 82722101.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2057 + ... + 14376.

Almost surely, 2^101227280 is an apocalyptic number.

101227280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101227280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146722752).

101227280 is an abundant number, since it is smaller than the sum of its proper divisors (192218224).

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

101227280 is a wasteful number, since it uses less digits than its factorization.

101227280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16464 (or 16458 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 101227280 is about 10061.1768695317. The cubic root of 101227280 is about 466.0500109036.

Adding to 101227280 its reverse (82722101), we get a palindrome (183949381).

The spelling of 101227280 in words is "one hundred one million, two hundred twenty-seven thousand, two hundred eighty".