1271040532 has 6 divisors (see below), whose sum is σ = 2224320938. Its totient is φ = 635520264.

The previous prime is 1271040499. The next prime is 1271040553. The reversal of 1271040532 is 2350401721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1208535696 + 62504836 = 34764^2 + 7906^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1271040497 and 1271040506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158880063 + ... + 158880070.

Almost surely, 2^1271040532 is an apocalyptic number.

It is an amenable number.

1271040532 is a deficient number, since it is larger than the sum of its proper divisors (953280406).

1271040532 is a wasteful number, since it uses less digits than its factorization.

1271040532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317760137 (or 317760135 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1271040532 is about 35651.6553893364. The cubic root of 1271040532 is about 1083.2278068309.

The spelling of 1271040532 in words is "one billion, two hundred seventy-one million, forty thousand, five hundred thirty-two".