1271245332 has 24 divisors (see below), whose sum is σ = 3389987776. Its totient is φ = 363212928.

The previous prime is 1271245321. The next prime is 1271245343. The reversal of 1271245332 is 2335421721.

It is an interprime number because it is at equal distance from previous prime (1271245321) and next prime (1271245343).

It is a self number, because there is not a number n which added to its sum of digits gives 1271245332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7566853 + ... + 7567020.

Almost surely, 2^1271245332 is an apocalyptic number.

1271245332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1271245332 is an abundant number, since it is smaller than the sum of its proper divisors (2118742444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1271245332 is a wasteful number, since it uses less digits than its factorization.

1271245332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15133887 (or 15133885 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 1271245332 is about 35654.5275105421. The cubic root of 1271245332 is about 1083.2859830876.

The spelling of 1271245332 in words is "one billion, two hundred seventy-one million, two hundred forty-five thousand, three hundred thirty-two".