127489712 has 40 divisors (see below), whose sum is σ = 284553216. Its totient is φ = 54202176.

The previous prime is 127489699. The next prime is 127489717. The reversal of 127489712 is 217984721.

It is a self number, because there is not a number n which added to its sum of digits gives 127489712.

It is not an unprimeable number, because it can be changed into a prime (127489717) 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, 9743 + ... + 18705.

Almost surely, 2^127489712 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 127489712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142276608).

127489712 is an abundant number, since it is smaller than the sum of its proper divisors (157063504).

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

127489712 is a wasteful number, since it uses less digits than its factorization.

127489712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9105 (or 9099 counting only the distinct ones).

The product of its digits is 56448, while the sum is 41.

The square root of 127489712 is about 11291.1342211489. The cubic root of 127489712 is about 503.2978169853.

The spelling of 127489712 in words is "one hundred twenty-seven million, four hundred eighty-nine thousand, seven hundred twelve".