127990368 has 180 divisors, whose sum is σ = 416856132. Its totient is φ = 38206080.

The previous prime is 127990361. The next prime is 127990381. The reversal of 127990368 is 863099721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127990361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1910271 + ... + 1910337.

Almost surely, 2^127990368 is an apocalyptic number.

127990368 is a gapful number since it is divisible by the number (18) 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 127990368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208428066).

127990368 is an abundant number, since it is smaller than the sum of its proper divisors (288865764).

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

127990368 is an equidigital number, since it uses as much as digits as its factorization.

127990368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 127990368 is about 11313.2828126941. The cubic root of 127990368 is about 503.9557784330.

The spelling of 127990368 in words is "one hundred twenty-seven million, nine hundred ninety thousand, three hundred sixty-eight".