127668912 has 240 divisors, whose sum is σ = 423401472. Its totient is φ = 32901120.

The previous prime is 127668911. The next prime is 127668917. The reversal of 127668912 is 219866721.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (127668911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1239453 + ... + 1239555.

Almost surely, 2^127668912 is an apocalyptic number.

127668912 is a gapful number since it is divisible by the number (12) 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 127668912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211700736).

127668912 is an abundant number, since it is smaller than the sum of its proper divisors (295732560).

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

127668912 is a wasteful number, since it uses less digits than its factorization.

127668912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 163 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 127668912 is about 11299.0668641264. The cubic root of 127668912 is about 503.5335189955.

The spelling of 127668912 in words is "one hundred twenty-seven million, six hundred sixty-eight thousand, nine hundred twelve".