127994 has 4 divisors (see below), whose sum is σ = 191994. Its totient is φ = 63996.

The previous prime is 127979. The next prime is 127997. The reversal of 127994 is 499721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 499721 = 23 ⋅21727.

It can be written as a sum of positive squares in only one way, i.e., 93025 + 34969 = 305^2 + 187^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 127994.

It is not an unprimeable number, because it can be changed into a prime (127997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31997 + ... + 32000.

2¹²⁷⁹⁹⁴ is an apocalyptic number.

127994 is a deficient number, since it is larger than the sum of its proper divisors (64000).

127994 is an equidigital number, since it uses as much as digits as its factorization.

127994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63999.

The product of its digits is 4536, while the sum is 32.

The square root of 127994 is about 357.7624910468. The cubic root of 127994 is about 50.3960545328.

The spelling of 127994 in words is "one hundred twenty-seven thousand, nine hundred ninety-four".