1275456 has 112 divisors (see below), whose sum is σ = 4210304. Its totient is φ = 331776.

The previous prime is 1275437. The next prime is 1275457. The reversal of 1275456 is 6545721.

1275456 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (1275457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17436 + ... + 17508.

It is an arithmetic number, because the mean of its divisors is an integer number (37592).

2^1275456 is an apocalyptic number.

1275456 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 1275456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2105152).

1275456 is an abundant number, since it is smaller than the sum of its proper divisors (2934848).

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

1275456 is a wasteful number, since it uses less digits than its factorization.

1275456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 98 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 1275456 is about 1129.3608812067. The cubic root of 1275456 is about 108.4480698918.

The spelling of 1275456 in words is "one million, two hundred seventy-five thousand, four hundred fifty-six".