1271968 has 12 divisors (see below), whose sum is σ = 2504250. Its totient is φ = 635968.

The previous prime is 1271953. The next prime is 1271971. The reversal of 1271968 is 8691721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 944784 + 327184 = 972^2 + 572^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19843 + ... + 19906.

2^1271968 is an apocalyptic number.

It is an amenable number.

1271968 is a deficient number, since it is larger than the sum of its proper divisors (1232282).

1271968 is an equidigital number, since it uses as much as digits as its factorization.

1271968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39759 (or 39751 counting only the distinct ones).

The product of its digits is 6048, while the sum is 34.

The square root of 1271968 is about 1127.8155877625. The cubic root of 1271968 is about 108.3491216963.

The spelling of 1271968 in words is "one million, two hundred seventy-one thousand, nine hundred sixty-eight".