1299234260 has 12 divisors (see below), whose sum is σ = 2728391988. Its totient is φ = 519693696.

The previous prime is 1299234241. The next prime is 1299234263. The reversal of 1299234260 is 624329921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 519931204 + 779303056 = 22802^2 + 27916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299234263) 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 3 ways as a sum of consecutive naturals, for example, 32480837 + ... + 32480876.

It is an arithmetic number, because the mean of its divisors is an integer number (227365999).

Almost surely, 2^1299234260 is an apocalyptic number.

1299234260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1299234260 is an abundant number, since it is smaller than the sum of its proper divisors (1429157728).

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

1299234260 is a wasteful number, since it uses less digits than its factorization.

1299234260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64961722 (or 64961720 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1299234260 is about 36044.8922872576. The cubic root of 1299234260 is about 1091.1785529768.

The spelling of 1299234260 in words is "one billion, two hundred ninety-nine million, two hundred thirty-four thousand, two hundred sixty".