127113644 has 36 divisors (see below), whose sum is σ = 259997976. Its totient is φ = 54218304.

The previous prime is 127113631. The next prime is 127113647. The reversal of 127113644 is 446311721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (127113647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43064 + ... + 45920.

It is an arithmetic number, because the mean of its divisors is an integer number (7222166).

Almost surely, 2^127113644 is an apocalyptic number.

127113644 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 127113644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129998988).

127113644 is an abundant number, since it is smaller than the sum of its proper divisors (132884332).

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

127113644 is a wasteful number, since it uses less digits than its factorization.

127113644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102 (or 3093 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 127113644 is about 11274.4686792771. The cubic root of 127113644 is about 502.8024551439.

The spelling of 127113644 in words is "one hundred twenty-seven million, one hundred thirteen thousand, six hundred forty-four".