1270560442 has 4 divisors (see below), whose sum is σ = 1905840666. Its totient is φ = 635280220.

The previous prime is 1270560413. The next prime is 1270560443. The reversal of 1270560442 is 2440650721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2440650721 = 37 ⋅65963533.

It can be written as a sum of positive squares in only one way, i.e., 1243197081 + 27363361 = 35259^2 + 5231^2 .

It is a super-2 number, since 2×1270560442² = 3228647673550470728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1270560443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317640109 + ... + 317640112.

Almost surely, 2^1270560442 is an apocalyptic number.

1270560442 is a deficient number, since it is larger than the sum of its proper divisors (635280224).

1270560442 is an equidigital number, since it uses as much as digits as its factorization.

1270560442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635280223.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1270560442 is about 35644.9216859849. The cubic root of 1270560442 is about 1083.0914061642.

The spelling of 1270560442 in words is "one billion, two hundred seventy million, five hundred sixty thousand, four hundred forty-two".