127388142 has 96 divisors (see below), whose sum is σ = 329472000. Its totient is φ = 35541072.

The previous prime is 127388137. The next prime is 127388153. The reversal of 127388142 is 241883721.

It is a junction number, because it is equal to n+sod(n) for n = 127388097 and 127388106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 289959 + ... + 290397.

It is an arithmetic number, because the mean of its divisors is an integer number (3432000).

Almost surely, 2^127388142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127388142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164736000).

127388142 is an abundant number, since it is smaller than the sum of its proper divisors (202083858).

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

127388142 is a wasteful number, since it uses less digits than its factorization.

127388142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 498 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 127388142 is about 11286.6355482934. The cubic root of 127388142 is about 503.1641237377.

The spelling of 127388142 in words is "one hundred twenty-seven million, three hundred eighty-eight thousand, one hundred forty-two".