1271946 has 32 divisors (see below), whose sum is σ = 2862720. Its totient is φ = 373824.

The previous prime is 1271939. The next prime is 1271953. The reversal of 1271946 is 6491721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1271939) and next prime (1271953).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1440 + ... + 2148.

It is an arithmetic number, because the mean of its divisors is an integer number (89460).

2^1271946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1271946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431360).

1271946 is an abundant number, since it is smaller than the sum of its proper divisors (1590774).

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

1271946 is a wasteful number, since it uses less digits than its factorization.

1271946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750.

The product of its digits is 3024, while the sum is 30.

The square root of 1271946 is about 1127.8058343527. The cubic root of 1271946 is about 108.3484970227.

The spelling of 1271946 in words is "one million, two hundred seventy-one thousand, nine hundred forty-six".