1271461047 has 8 divisors (see below), whose sum is σ = 1695446256. Its totient is φ = 847558272.

The previous prime is 1271461039. The next prime is 1271461073. The reversal of 1271461047 is 7401641721.

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

It is not a de Polignac number, because 1271461047 - 2³ = 1271461039 is a prime.

It is a super-2 number, since 2×1271461047² = 3233226388076672418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1271460999 and 1271461017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271461027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48333 + ... + 69849.

It is an arithmetic number, because the mean of its divisors is an integer number (211930782).

Almost surely, 2^1271461047 is an apocalyptic number.

1271461047 is a deficient number, since it is larger than the sum of its proper divisors (423985209).

1271461047 is a wasteful number, since it uses less digits than its factorization.

1271461047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41217.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 1271461047 is about 35657.5524538631. The cubic root of 1271461047 is about 1083.3472531440.

The spelling of 1271461047 in words is "one billion, two hundred seventy-one million, four hundred sixty-one thousand, forty-seven".