127442 has 8 divisors (see below), whose sum is σ = 218496. Its totient is φ = 54612.

The previous prime is 127423. The next prime is 127447. The reversal of 127442 is 244721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 1 + 2⁹ + 4³ + 7⁶ + 4⁵ + 2¹³ .

It is not an unprimeable number, because it can be changed into a prime (127447) by changing a digit.

127442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4538 + ... + 4565.

It is an arithmetic number, because the mean of its divisors is an integer number (27312).

2¹²⁷⁴⁴² is an apocalyptic number.

127442 is a deficient number, since it is larger than the sum of its proper divisors (91054).

127442 is an equidigital number, since it uses as much as digits as its factorization.

127442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9112.

The product of its digits is 448, while the sum is 20.

The square root of 127442 is about 356.9901959438. The cubic root of 127442 is about 50.3235024097.

The spelling of 127442 in words is "one hundred twenty-seven thousand, four hundred forty-two", and thus it is an iban number.