127712616 has 32 divisors (see below), whose sum is σ = 325308960. Its totient is φ = 41767232.

The previous prime is 127712593. The next prime is 127712617. The reversal of 127712616 is 616217721.

It is not an unprimeable number, because it can be changed into a prime (127712617) 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, 48930 + ... + 51473.

It is an arithmetic number, because the mean of its divisors is an integer number (10165905).

Almost surely, 2^127712616 is an apocalyptic number.

It is an amenable number.

127712616 is an abundant number, since it is smaller than the sum of its proper divisors (197596344).

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

127712616 is a wasteful number, since it uses less digits than its factorization.

127712616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100465 (or 100461 counting only the distinct ones).

The product of its digits is 7056, while the sum is 33.

The square root of 127712616 is about 11301.0006636581. Note that the first 3 decimals coincide. The cubic root of 127712616 is about 503.5909694689.

It can be divided in two parts, 12 and 7712616, that added together give a triangular number (7712628 = T₃₉₂₇).

The spelling of 127712616 in words is "one hundred twenty-seven million, seven hundred twelve thousand, six hundred sixteen".