127838942 has 24 divisors (see below), whose sum is σ = 243346680. Its totient is φ = 49806960.

The previous prime is 127838941. The next prime is 127838969. The reversal of 127838942 is 249838721.

It is a junction number, because it is equal to n+sod(n) for n = 127838893 and 127838902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127838941) 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, 58217 + ... + 60372.

It is an arithmetic number, because the mean of its divisors is an integer number (10139445).

Almost surely, 2^127838942 is an apocalyptic number.

127838942 is a deficient number, since it is larger than the sum of its proper divisors (115507738).

127838942 is a wasteful number, since it uses less digits than its factorization.

127838942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118616 (or 118609 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 127838942 is about 11306.5884332985. The cubic root of 127838942 is about 503.7569558608.

The spelling of 127838942 in words is "one hundred twenty-seven million, eight hundred thirty-eight thousand, nine hundred forty-two".