1275876 has 72 divisors (see below), whose sum is σ = 3791424. Its totient is φ = 354240.

The previous prime is 1275863. The next prime is 1275877. The reversal of 1275876 is 6785721.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1275876.

It is not an unprimeable number, because it can be changed into a prime (1275877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15331 + ... + 15413.

2^1275876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1275876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1895712).

1275876 is an abundant number, since it is smaller than the sum of its proper divisors (2515548).

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

1275876 is a wasteful number, since it uses less digits than its factorization.

1275876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 156 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 1275876 is about 1129.5468117790. The cubic root of 1275876 is about 108.4599723515.

The spelling of 1275876 in words is "one million, two hundred seventy-five thousand, eight hundred seventy-six".