1271002422 has 8 divisors (see below), whose sum is σ = 2542004856. Its totient is φ = 423667472.

The previous prime is 1271002391. The next prime is 1271002423. The reversal of 1271002422 is 2242001721.

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

1271002422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271002423) 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 3 ways as a sum of consecutive naturals, for example, 105916863 + ... + 105916874.

It is an arithmetic number, because the mean of its divisors is an integer number (317750607).

Almost surely, 2^1271002422 is an apocalyptic number.

1271002422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1271002422 is a wasteful number, since it uses less digits than its factorization.

1271002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211833742.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 1271002422 is about 35651.1209080444. The cubic root of 1271002422 is about 1083.2169804716.

The spelling of 1271002422 in words is "one billion, two hundred seventy-one million, two thousand, four hundred twenty-two".