127116864 has 280 divisors, whose sum is σ = 448470528. Its totient is φ = 34836480.

The previous prime is 127116823. The next prime is 127116911. The reversal of 127116864 is 468611721.

It is a happy number.

It is a super-2 number, since 2×127116864² = 32317394226388992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1124872 + ... + 1124984.

Almost surely, 2^127116864 is an apocalyptic number.

127116864 is a gapful number since it is divisible by the number (14) 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 127116864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224235264).

127116864 is an abundant number, since it is smaller than the sum of its proper divisors (321353664).

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

127116864 is a wasteful number, since it uses less digits than its factorization.

127116864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 156 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 127116864 is about 11274.6114788936. The cubic root of 127116864 is about 502.8067007155.

The spelling of 127116864 in words is "one hundred twenty-seven million, one hundred sixteen thousand, eight hundred sixty-four".