1270947 has 4 divisors (see below), whose sum is σ = 1694600. Its totient is φ = 847296.

The previous prime is 1270943. The next prime is 1270961. The reversal of 1270947 is 7490721.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1270947 - 2² = 1270943 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270943) 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, 211822 + ... + 211827.

It is an arithmetic number, because the mean of its divisors is an integer number (423650).

2^1270947 is an apocalyptic number.

1270947 is a deficient number, since it is larger than the sum of its proper divisors (423653).

1270947 is an equidigital number, since it uses as much as digits as its factorization.

1270947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423652.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1270947 is about 1127.3628519691. The cubic root of 1270947 is about 108.3201235701.

The spelling of 1270947 in words is "one million, two hundred seventy thousand, nine hundred forty-seven".