127722096 has 100 divisors (see below), whose sum is σ = 372849400. Its totient is φ = 42208128.

The previous prime is 127722043. The next prime is 127722097. The reversal of 127722096 is 690227721.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 127722096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127722097) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 179790 + ... + 180498.

It is an arithmetic number, because the mean of its divisors is an integer number (3728494).

Almost surely, 2^127722096 is an apocalyptic number.

127722096 is a gapful number since it is divisible by the number (16) 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 127722096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186424700).

127722096 is an abundant number, since it is smaller than the sum of its proper divisors (245127304).

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

127722096 is a wasteful number, since it uses less digits than its factorization.

127722096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 127722096 is about 11301.4200877589. The cubic root of 127722096 is about 503.6034295385.

The spelling of 127722096 in words is "one hundred twenty-seven million, seven hundred twenty-two thousand, ninety-six".