1272748 has 12 divisors (see below), whose sum is σ = 2265480. Its totient is φ = 625472.

The previous prime is 1272679. The next prime is 1272749. The reversal of 1272748 is 8472721.

It is not an unprimeable number, because it can be changed into a prime (1272749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2461 + ... + 2932.

It is an arithmetic number, because the mean of its divisors is an integer number (188790).

2^1272748 is an apocalyptic number.

It is an amenable number.

1272748 is a deficient number, since it is larger than the sum of its proper divisors (992732).

1272748 is a wasteful number, since it uses less digits than its factorization.

1272748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456 (or 5454 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 1272748 is about 1128.1613359799. The cubic root of 1272748 is about 108.3712645609.

The spelling of 1272748 in words is "one million, two hundred seventy-two thousand, seven hundred forty-eight".