1275746 has 4 divisors (see below), whose sum is σ = 1913622. Its totient is φ = 637872.

The previous prime is 1275737. The next prime is 1275749. The reversal of 1275746 is 6475721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6475721 = 7 ⋅925103.

It can be written as a sum of positive squares in only one way, i.e., 801025 + 474721 = 895^2 + 689^2 .

It is not an unprimeable number, because it can be changed into a prime (1275749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318935 + ... + 318938.

2^1275746 is an apocalyptic number.

1275746 is a deficient number, since it is larger than the sum of its proper divisors (637876).

1275746 is an equidigital number, since it uses as much as digits as its factorization.

1275746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637875.

The product of its digits is 11760, while the sum is 32.

The square root of 1275746 is about 1129.4892651106. The cubic root of 1275746 is about 108.4562885360.

The spelling of 1275746 in words is "one million, two hundred seventy-five thousand, seven hundred forty-six".