1271214958 has 32 divisors (see below), whose sum is σ = 2077740000. Its totient is φ = 583285248.

The previous prime is 1271214943. The next prime is 1271214983. The reversal of 1271214958 is 8594121721.

It is a self number, because there is not a number n which added to its sum of digits gives 1271214958.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 847293 + ... + 848791.

It is an arithmetic number, because the mean of its divisors is an integer number (64929375).

Almost surely, 2^1271214958 is an apocalyptic number.

1271214958 is a deficient number, since it is larger than the sum of its proper divisors (806525042).

1271214958 is a wasteful number, since it uses less digits than its factorization.

1271214958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733 (or 1707 counting only the distinct ones).

The product of its digits is 40320, while the sum is 40.

The square root of 1271214958 is about 35654.1015592877. The cubic root of 1271214958 is about 1083.2773553298.

The spelling of 1271214958 in words is "one billion, two hundred seventy-one million, two hundred fourteen thousand, nine hundred fifty-eight".