1271408 has 20 divisors (see below), whose sum is σ = 2481240. Its totient is φ = 631104.

The previous prime is 1271401. The next prime is 1271419. The reversal of 1271408 is 8041721.

1271408 is nontrivially palindromic in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3491 + ... + 3837.

It is an arithmetic number, because the mean of its divisors is an integer number (124062).

2^1271408 is an apocalyptic number.

It is an amenable number.

1271408 is a deficient number, since it is larger than the sum of its proper divisors (1209832).

1271408 is a wasteful number, since it uses less digits than its factorization.

1271408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1271408 is about 1127.5672928921. The cubic root of 1271408 is about 108.3332186718. Note that the first 3 decimals are identical.

The spelling of 1271408 in words is "one million, two hundred seventy-one thousand, four hundred eight".