127942 has 16 divisors (see below), whose sum is σ = 209952. Its totient is φ = 58240.

The previous prime is 127931. The next prime is 127951. The reversal of 127942 is 249721.

It is an Ulam number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

127942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767 + ... + 1837.

It is an arithmetic number, because the mean of its divisors is an integer number (13122).

2¹²⁷⁹⁴² is an apocalyptic number.

127942 is a deficient number, since it is larger than the sum of its proper divisors (82010).

127942 is a wasteful number, since it uses less digits than its factorization.

127942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143.

The product of its digits is 1008, while the sum is 25.

The square root of 127942 is about 357.6898097514. The cubic root of 127942 is about 50.3892288228.

The spelling of 127942 in words is "one hundred twenty-seven thousand, nine hundred forty-two".