1305125355 has 8 divisors (see below), whose sum is σ = 2088200592. Its totient is φ = 696066848.

The previous prime is 1305125303. The next prime is 1305125369. The reversal of 1305125355 is 5535215031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1305125355 - 2⁸ = 1305125099 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 43504164 + ... + 43504193.

It is an arithmetic number, because the mean of its divisors is an integer number (261025074).

Almost surely, 2^1305125355 is an apocalyptic number.

1305125355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1305125355 is a deficient number, since it is larger than the sum of its proper divisors (783075237).

1305125355 is an equidigital number, since it uses as much as digits as its factorization.

1305125355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87008365.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 1305125355 is about 36126.5187224011. The cubic root of 1305125355 is about 1092.8253037599.

The spelling of 1305125355 in words is "one billion, three hundred five million, one hundred twenty-five thousand, three hundred fifty-five".