1271234112 has 112 divisors (see below), whose sum is σ = 3553431552. Its totient is φ = 400458240.

The previous prime is 1271234093. The next prime is 1271234131. The reversal of 1271234112 is 2114321721.

It is an interprime number because it is at equal distance from previous prime (1271234093) and next prime (1271234131).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253453 + ... + 258419.

Almost surely, 2^1271234112 is an apocalyptic number.

1271234112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1271234112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776715776).

1271234112 is an abundant number, since it is smaller than the sum of its proper divisors (2282197440).

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

1271234112 is a wasteful number, since it uses less digits than its factorization.

1271234112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056 (or 5046 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 1271234112 is about 35654.3701669234. The cubic root of 1271234112 is about 1083.2827960541.

Adding to 1271234112 its reverse (2114321721), we get a palindrome (3385555833).

The spelling of 1271234112 in words is "one billion, two hundred seventy-one million, two hundred thirty-four thousand, one hundred twelve".