1307123652 has 12 divisors (see below), whose sum is σ = 3049955216. Its totient is φ = 435707880.

The previous prime is 1307123647. The next prime is 1307123681. The reversal of 1307123652 is 2563217031.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 54463474 + ... + 54463497.

Almost surely, 2^1307123652 is an apocalyptic number.

1307123652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1307123652 is an abundant number, since it is smaller than the sum of its proper divisors (1742831564).

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

1307123652 is a wasteful number, since it uses less digits than its factorization.

1307123652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108926978 (or 108926976 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1307123652 is about 36154.1650712612. The cubic root of 1307123652 is about 1093.3827664129.

The spelling of 1307123652 in words is "one billion, three hundred seven million, one hundred twenty-three thousand, six hundred fifty-two".