127022912 has 56 divisors (see below), whose sum is σ = 268458696. Its totient is φ = 59424768.

The previous prime is 127022911. The next prime is 127022921. The reversal of 127022912 is 219220721.

It can be written as a sum of positive squares in 4 ways, for example, as 5494336 + 121528576 = 2344^2 + 11024^2 .

It is a super-2 number, since 2×127022912² = 32269640345919488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127022911) 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, 340358 + ... + 340730.

Almost surely, 2^127022912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127022912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134229348).

127022912 is an abundant number, since it is smaller than the sum of its proper divisors (141435784).

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

127022912 is a wasteful number, since it uses less digits than its factorization.

127022912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 127022912 is about 11270.4441793569. Note that the first 3 decimals coincide. The cubic root of 127022912 is about 502.6827954714.

The spelling of 127022912 in words is "one hundred twenty-seven million, twenty-two thousand, nine hundred twelve".