1270795849 has 4 divisors (see below), whose sum is σ = 1345548564. Its totient is φ = 1196043136.

The previous prime is 1270795847. The next prime is 1270795913. The reversal of 1270795849 is 9485970721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9485970721 = 1097 ⋅8647193.

It can be written as a sum of positive squares in 2 ways, for example, as 774620224 + 496175625 = 27832^2 + 22275^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270795849 - 2¹ = 1270795847 is a prime.

It is a super-2 number, since 2×1270795849² = 3229844179671261602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1270795796 and 1270795805.

It is not an unprimeable number, because it can be changed into a prime (1270795847) 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, 37376332 + ... + 37376365.

It is an arithmetic number, because the mean of its divisors is an integer number (336387141).

Almost surely, 2^1270795849 is an apocalyptic number.

It is an amenable number.

1270795849 is a deficient number, since it is larger than the sum of its proper divisors (74752715).

1270795849 is an equidigital number, since it uses as much as digits as its factorization.

1270795849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74752714.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The square root of 1270795849 is about 35648.2236443837. The cubic root of 1270795849 is about 1083.1582930658.

The spelling of 1270795849 in words is "one billion, two hundred seventy million, seven hundred ninety-five thousand, eight hundred forty-nine".