1271376 has 70 divisors (see below), whose sum is σ = 3727130. Its totient is φ = 419904.

The previous prime is 1271359. The next prime is 1271383. The reversal of 1271376 is 6731721.

It can be written as a sum of positive squares in only one way, i.e., 1166400 + 104976 = 1080^2 + 324^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 11610 + ... + 11718.

2^1271376 is an apocalyptic number.

1271376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1271376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1863565).

1271376 is an abundant number, since it is smaller than the sum of its proper divisors (2455754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1271376 is an equidigital number, since it uses as much as digits as its factorization.

1271376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 114 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 1271376 is about 1127.5531029623. The cubic root of 1271376 is about 108.3323097865.

The spelling of 1271376 in words is "one million, two hundred seventy-one thousand, three hundred seventy-six".