1270856442 has 16 divisors (see below), whose sum is σ = 2550391200. Its totient is φ = 422172432.

The previous prime is 1270856417. The next prime is 1270856507. The reversal of 1270856442 is 2446580721.

It is a self number, because there is not a number n which added to its sum of digits gives 1270856442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359692 + ... + 363207.

It is an arithmetic number, because the mean of its divisors is an integer number (159399450).

Almost surely, 2^1270856442 is an apocalyptic number.

1270856442 is an abundant number, since it is smaller than the sum of its proper divisors (1279534758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1270856442 is a wasteful number, since it uses less digits than its factorization.

1270856442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723197.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 1270856442 is about 35649.0735082975. The cubic root of 1270856442 is about 1083.1755082010.

The spelling of 1270856442 in words is "one billion, two hundred seventy million, eight hundred fifty-six thousand, four hundred forty-two".