127698912 has 144 divisors (see below), whose sum is σ = 400156848. Its totient is φ = 38307840.

The previous prime is 127698899. The next prime is 127698913. The reversal of 127698912 is 219896721.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127698913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 547948 + ... + 548180.

It is an arithmetic number, because the mean of its divisors is an integer number (2778867).

Almost surely, 2^127698912 is an apocalyptic number.

127698912 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 127698912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200078424).

127698912 is an abundant number, since it is smaller than the sum of its proper divisors (272457936).

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

127698912 is a wasteful number, since it uses less digits than its factorization.

127698912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 422 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 127698912 is about 11300.3943294028. The cubic root of 127698912 is about 503.5729564807.

The spelling of 127698912 in words is "one hundred twenty-seven million, six hundred ninety-eight thousand, nine hundred twelve".