1270791853 has 2 divisors, whose sum is σ = 1270791854. Its totient is φ = 1270791852.

The previous prime is 1270791829. The next prime is 1270791887. The reversal of 1270791853 is 3581970721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 659565124 + 611226729 = 25682^2 + 24723^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270791853 - 2²¹ = 1268694701 is a prime.

It is a super-2 number, since 2×1270791853² = 3229823867302347218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1270791253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635395926 + 635395927.

It is an arithmetic number, because the mean of its divisors is an integer number (635395927).

Almost surely, 2^1270791853 is an apocalyptic number.

It is an amenable number.

1270791853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270791853 is an equidigital number, since it uses as much as digits as its factorization.

1270791853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 1270791853 is about 35648.1675966662. The cubic root of 1270791853 is about 1083.1571577391.

The spelling of 1270791853 in words is "one billion, two hundred seventy million, seven hundred ninety-one thousand, eight hundred fifty-three".