127113820 has 24 divisors (see below), whose sum is σ = 267246000. Its totient is φ = 50787072.

The previous prime is 127113809. The next prime is 127113821. The reversal of 127113820 is 28311721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127113821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17031 + ... + 23329.

It is an arithmetic number, because the mean of its divisors is an integer number (11135250).

Almost surely, 2^127113820 is an apocalyptic number.

127113820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127113820 is an abundant number, since it is smaller than the sum of its proper divisors (140132180).

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

127113820 is a wasteful number, since it uses less digits than its factorization.

127113820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317 (or 7315 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 127113820 is about 11274.4764845202. The cubic root of 127113820 is about 502.8026872019.

The spelling of 127113820 in words is "one hundred twenty-seven million, one hundred thirteen thousand, eight hundred twenty".