1265481112 has 64 divisors (see below), whose sum is σ = 2768394240. Its totient is φ = 531100800.

The previous prime is 1265481097. The next prime is 1265481127. The reversal of 1265481112 is 2111845621.

It is an interprime number because it is at equal distance from previous prime (1265481097) and next prime (1265481127).

It is a congruent number.

It is an unprimeable number.

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, 925053 + ... + 926419.

It is an arithmetic number, because the mean of its divisors is an integer number (43256160).

Almost surely, 2^1265481112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1265481112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384197120).

1265481112 is an abundant number, since it is smaller than the sum of its proper divisors (1502913128).

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

1265481112 is a wasteful number, since it uses less digits than its factorization.

1265481112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712 (or 1708 counting only the distinct ones).

The product of its digits is 3840, while the sum is 31.

The square root of 1265481112 is about 35573.6013358220. The cubic root of 1265481112 is about 1081.6461840968.

The spelling of 1265481112 in words is "one billion, two hundred sixty-five million, four hundred eighty-one thousand, one hundred twelve".