1271875132 has 48 divisors (see below), whose sum is σ = 2514776544. Its totient is φ = 557856000.

The previous prime is 1271875103. The next prime is 1271875133. The reversal of 1271875132 is 2315781721.

It is a junction number, because it is equal to n+sod(n) for n = 1271875091 and 1271875100.

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 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, 137782 + ... + 146722.

It is an arithmetic number, because the mean of its divisors is an integer number (52391178).

Almost surely, 2^1271875132 is an apocalyptic number.

It is an amenable number.

1271875132 is a deficient number, since it is larger than the sum of its proper divisors (1242901412).

1271875132 is a wasteful number, since it uses less digits than its factorization.

1271875132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9070 (or 9068 counting only the distinct ones).

The product of its digits is 23520, while the sum is 37.

The square root of 1271875132 is about 35663.3583948568. The cubic root of 1271875132 is about 1083.4648472975.

The spelling of 1271875132 in words is "one billion, two hundred seventy-one million, eight hundred seventy-five thousand, one hundred thirty-two".