1260917345 has 8 divisors (see below), whose sum is σ = 1513451520. Its totient is φ = 1008500080.

The previous prime is 1260917327. The next prime is 1260917351. The reversal of 1260917345 is 5437190621.

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

It is a de Polignac number, because none of the positive numbers 2^k-1260917345 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1260917299 and 1260917308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3425 + ... + 50334.

It is an arithmetic number, because the mean of its divisors is an integer number (189181440).

Almost surely, 2^1260917345 is an apocalyptic number.

It is an amenable number.

1260917345 is a deficient number, since it is larger than the sum of its proper divisors (252534175).

1260917345 is an equidigital number, since it uses as much as digits as its factorization.

1260917345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58455.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 1260917345 is about 35509.3979813795. The cubic root of 1260917345 is about 1080.3443532130.

The spelling of 1260917345 in words is "one billion, two hundred sixty million, nine hundred seventeen thousand, three hundred forty-five".