1271416478 has 8 divisors (see below), whose sum is σ = 1953640080. Its totient is φ = 620203120.

The previous prime is 1271416457. The next prime is 1271416481. The reversal of 1271416478 is 8746141721.

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

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7752458 + ... + 7752621.

It is an arithmetic number, because the mean of its divisors is an integer number (244205010).

Almost surely, 2^1271416478 is an apocalyptic number.

1271416478 is a deficient number, since it is larger than the sum of its proper divisors (682223602).

1271416478 is a wasteful number, since it uses less digits than its factorization.

1271416478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15505122.

The product of its digits is 75264, while the sum is 41.

The square root of 1271416478 is about 35656.9274896197. The cubic root of 1271416478 is about 1083.3345946705.

It can be divided in two parts, 12714 and 16478, that added together give a palindrome (29192).

The spelling of 1271416478 in words is "one billion, two hundred seventy-one million, four hundred sixteen thousand, four hundred seventy-eight".