127964 has 6 divisors (see below), whose sum is σ = 223944. Its totient is φ = 63980.

The previous prime is 127951. The next prime is 127973. The reversal of 127964 is 469721.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

127964 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 as a sum of consecutive naturals, namely, 15992 + ... + 15999.

It is an arithmetic number, because the mean of its divisors is an integer number (37324).

2¹²⁷⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

127964 is a deficient number, since it is larger than the sum of its proper divisors (95980).

127964 is a wasteful number, since it uses less digits than its factorization.

127964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31995 (or 31993 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 127964 is about 357.7205613324. The cubic root of 127964 is about 50.3921168488.

The spelling of 127964 in words is "one hundred twenty-seven thousand, nine hundred sixty-four".