1271143101 has 8 divisors (see below), whose sum is σ = 1716311680. Its totient is φ = 836701632.

The previous prime is 1271143099. The next prime is 1271143157. The reversal of 1271143101 is 1013411721.

1271143101 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1271143101 - 2¹ = 1271143099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271143171) 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, 2681500 + ... + 2681973.

It is an arithmetic number, because the mean of its divisors is an integer number (214538960).

Almost surely, 2^1271143101 is an apocalyptic number.

It is an amenable number.

1271143101 is a deficient number, since it is larger than the sum of its proper divisors (445168579).

1271143101 is an equidigital number, since it uses as much as digits as its factorization.

1271143101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5363555.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 1271143101 is about 35653.0938489214. The cubic root of 1271143101 is about 1083.2569437471.

Adding to 1271143101 its reverse (1013411721), we get a palindrome (2284554822).

The spelling of 1271143101 in words is "one billion, two hundred seventy-one million, one hundred forty-three thousand, one hundred one".