1265318060 has 24 divisors (see below), whose sum is σ = 2660234640. Its totient is φ = 505543104.

The previous prime is 1265318057. The next prime is 1265318063. The reversal of 1265318060 is 608135621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1265318057) and next prime (1265318063).

It is not an unprimeable number, because it can be changed into a prime (1265318063) 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, 18530 + ... + 53609.

It is an arithmetic number, because the mean of its divisors is an integer number (110843110).

Almost surely, 2^1265318060 is an apocalyptic number.

1265318060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1265318060 is an abundant number, since it is smaller than the sum of its proper divisors (1394916580).

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

1265318060 is a wasteful number, since it uses less digits than its factorization.

1265318060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73025 (or 73023 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1265318060 is about 35571.3095063986. The cubic root of 1265318060 is about 1081.5997268911.

The spelling of 1265318060 in words is "one billion, two hundred sixty-five million, three hundred eighteen thousand, sixty".