1265460255 has 24 divisors (see below), whose sum is σ = 2198197872. Its totient is φ = 673455744.

The previous prime is 1265460241. The next prime is 1265460257. The reversal of 1265460255 is 5520645621.

It is not a de Polignac number, because 1265460255 - 2²⁰ = 1264411679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265460257) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9094 + ... + 51123.

It is an arithmetic number, because the mean of its divisors is an integer number (91591578).

Almost surely, 2^1265460255 is an apocalyptic number.

1265460255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1265460255 is a deficient number, since it is larger than the sum of its proper divisors (932737617).

1265460255 is a wasteful number, since it uses less digits than its factorization.

1265460255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60695 (or 60692 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 1265460255 is about 35573.3081818377. The cubic root of 1265460255 is about 1081.6402416879.

The spelling of 1265460255 in words is "one billion, two hundred sixty-five million, four hundred sixty thousand, two hundred fifty-five".