1271488 has 14 divisors (see below), whose sum is σ = 2523236. Its totient is φ = 635712.

The previous prime is 1271483. The next prime is 1271503. The reversal of 1271488 is 8841721.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1271483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9870 + ... + 9997.

2^1271488 is an apocalyptic number.

It is an amenable number.

1271488 is a deficient number, since it is larger than the sum of its proper divisors (1251748).

1271488 is an equidigital number, since it uses as much as digits as its factorization.

1271488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19879 (or 19869 counting only the distinct ones).

The product of its digits is 3584, while the sum is 31.

The square root of 1271488 is about 1127.6027669352. The cubic root of 1271488 is about 108.3354908183.

The spelling of 1271488 in words is "one million, two hundred seventy-one thousand, four hundred eighty-eight".