1272548 has 6 divisors (see below), whose sum is σ = 2226966. Its totient is φ = 636272.

The previous prime is 1272547. The next prime is 1272559. The reversal of 1272548 is 8452721.

It can be written as a sum of positive squares in only one way, i.e., 1183744 + 88804 = 1088^2 + 298^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1272548.

It is not an unprimeable number, because it can be changed into a prime (1272547) by changing a digit.

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 as a sum of consecutive naturals, namely, 159065 + ... + 159072.

It is an arithmetic number, because the mean of its divisors is an integer number (371161).

2^1272548 is an apocalyptic number.

It is an amenable number.

1272548 is a deficient number, since it is larger than the sum of its proper divisors (954418).

1272548 is a wasteful number, since it uses less digits than its factorization.

1272548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318141 (or 318139 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 1272548 is about 1128.0726926932. The cubic root of 1272548 is about 108.3655877660.

The spelling of 1272548 in words is "one million, two hundred seventy-two thousand, five hundred forty-eight".