1271875134 has 8 divisors (see below), whose sum is σ = 2543750280. Its totient is φ = 423958376.

The previous prime is 1271875133. The next prime is 1271875141. The reversal of 1271875134 is 4315781721.

It is a happy number.

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

1271875134 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1271875092 and 1271875101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271875133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105989589 + ... + 105989600.

It is an arithmetic number, because the mean of its divisors is an integer number (317968785).

Almost surely, 2^1271875134 is an apocalyptic number.

1271875134 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.

1271875134 is a wasteful number, since it uses less digits than its factorization.

1271875134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211979194.

The product of its digits is 47040, while the sum is 39.

The square root of 1271875134 is about 35663.3584228967. The cubic root of 1271875134 is about 1083.4648478654.

The spelling of 1271875134 in words is "one billion, two hundred seventy-one million, eight hundred seventy-five thousand, one hundred thirty-four".