127916740 has 72 divisors (see below), whose sum is σ = 324136512. Its totient is φ = 41532480.

The previous prime is 127916729. The next prime is 127916741. The reversal of 127916740 is 47619721.

It is a self number, because there is not a number n which added to its sum of digits gives 127916740.

It is not an unprimeable number, because it can be changed into a prime (127916741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49275 + ... + 51805.

It is an arithmetic number, because the mean of its divisors is an integer number (4501896).

Almost surely, 2^127916740 is an apocalyptic number.

127916740 is a gapful number since it is divisible by the number (10) 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 127916740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162068256).

127916740 is an abundant number, since it is smaller than the sum of its proper divisors (196219772).

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

127916740 is a wasteful number, since it uses less digits than its factorization.

127916740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585 (or 2564 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 127916740 is about 11310.0282935101. The cubic root of 127916740 is about 503.8591243540.

The spelling of 127916740 in words is "one hundred twenty-seven million, nine hundred sixteen thousand, seven hundred forty".