1275180 has 48 divisors (see below), whose sum is σ = 3646944. Its totient is φ = 332800.

The previous prime is 1275179. The next prime is 1275193. The reversal of 1275180 is 815721.

It is a self number, because there is not a number n which added to its sum of digits gives 1275180.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2980 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (75978).

2^1275180 is an apocalyptic number.

1275180 is a gapful number since it is divisible by the number (10) 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 1275180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1823472).

1275180 is an abundant number, since it is smaller than the sum of its proper divisors (2371764).

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

1275180 is a wasteful number, since it uses less digits than its factorization.

1275180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1275180 is about 1129.2386815904. The cubic root of 1275180 is about 108.4402468527.

The spelling of 1275180 in words is "one million, two hundred seventy-five thousand, one hundred eighty".