1271384 has 8 divisors (see below), whose sum is σ = 2383860. Its totient is φ = 635688.

The previous prime is 1271383. The next prime is 1271393. The reversal of 1271384 is 4831721.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79454 + ... + 79469.

2^1271384 is an apocalyptic number.

It is an amenable number.

1271384 is a deficient number, since it is larger than the sum of its proper divisors (1112476).

1271384 is a wasteful number, since it uses less digits than its factorization.

1271384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158929 (or 158925 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 1271384 is about 1127.5566504615. The cubic root of 1271384 is about 108.3325370093.

The spelling of 1271384 in words is "one million, two hundred seventy-one thousand, three hundred eighty-four".