1270791 has 6 divisors (see below), whose sum is σ = 1835600. Its totient is φ = 847188.

The previous prime is 1270771. The next prime is 1270817. The reversal of 1270791 is 1970721.

It is not a de Polignac number, because 1270791 - 2⁹ = 1270279 is a prime.

It is a super-2 number, since 2×1270791² = 3229819531362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70591 + ... + 70608.

2^1270791 is an apocalyptic number.

1270791 is a deficient number, since it is larger than the sum of its proper divisors (564809).

1270791 is a wasteful number, since it uses less digits than its factorization.

1270791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141205 (or 141202 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 1270791 is about 1127.2936618291. The cubic root of 1270791 is about 108.3156915388.

The spelling of 1270791 in words is "one million, two hundred seventy thousand, seven hundred ninety-one".