127923684 has 48 divisors (see below), whose sum is σ = 344174208. Its totient is φ = 36223488.

The previous prime is 127923683. The next prime is 127923737. The reversal of 127923684 is 486329721.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (127923683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2754 + ... + 16230.

It is an arithmetic number, because the mean of its divisors is an integer number (7170296).

Almost surely, 2^127923684 is an apocalyptic number.

127923684 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 127923684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172087104).

127923684 is an abundant number, since it is smaller than the sum of its proper divisors (216250524).

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

127923684 is a wasteful number, since it uses less digits than its factorization.

127923684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13604 (or 13602 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 127923684 is about 11310.3352735452. The cubic root of 127923684 is about 503.8682415721.

The spelling of 127923684 in words is "one hundred twenty-seven million, nine hundred twenty-three thousand, six hundred eighty-four".