127715712 has 128 divisors (see below), whose sum is σ = 355816800. Its totient is φ = 40550400.

The previous prime is 127715689. The next prime is 127715737. The reversal of 127715712 is 217517721.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×127715712² = 32622606183333888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264462 + ... + 1264562.

Almost surely, 2^127715712 is an apocalyptic number.

127715712 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 127715712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177908400).

127715712 is an abundant number, since it is smaller than the sum of its proper divisors (228101088).

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

127715712 is a wasteful number, since it uses less digits than its factorization.

127715712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 232 counting only the distinct ones).

The product of its digits is 6860, while the sum is 33.

The square root of 127715712 is about 11301.1376418483. The cubic root of 127715712 is about 503.5950387746.

The spelling of 127715712 in words is "one hundred twenty-seven million, seven hundred fifteen thousand, seven hundred twelve".