1270713281 has 8 divisors (see below), whose sum is σ = 1319756544. Its totient is φ = 1222173360.

The previous prime is 1270713239. The next prime is 1270713313. The reversal of 1270713281 is 1823170721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1270713281 - 2¹⁸ = 1270451137 is a prime.

It is a super-2 number, since 2×1270713281² = 3229424485019569922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1270713181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120686 + ... + 130791.

It is an arithmetic number, because the mean of its divisors is an integer number (164969568).

Almost surely, 2^1270713281 is an apocalyptic number.

It is an amenable number.

1270713281 is a deficient number, since it is larger than the sum of its proper divisors (49043263).

1270713281 is a wasteful number, since it uses less digits than its factorization.

1270713281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251671.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 1270713281 is about 35647.0655314010. The cubic root of 1270713281 is about 1083.1348337113.

The spelling of 1270713281 in words is "one billion, two hundred seventy million, seven hundred thirteen thousand, two hundred eighty-one".