1260755945 has 32 divisors (see below), whose sum is σ = 1599575040. Its totient is φ = 952680960.

The previous prime is 1260755929. The next prime is 1260755959. The reversal of 1260755945 is 5495570621.

It is a happy number.

It is not a de Polignac number, because 1260755945 - 2⁴ = 1260755929 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1260755896 and 1260755905.

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 31 ways as a sum of consecutive naturals, for example, 2722784 + ... + 2723246.

It is an arithmetic number, because the mean of its divisors is an integer number (49986720).

Almost surely, 2^1260755945 is an apocalyptic number.

It is an amenable number.

1260755945 is a deficient number, since it is larger than the sum of its proper divisors (338819095).

1260755945 is a wasteful number, since it uses less digits than its factorization.

1260755945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 378000, while the sum is 44.

The square root of 1260755945 is about 35507.1252708523. The cubic root of 1260755945 is about 1080.2982558168.

The spelling of 1260755945 in words is "one billion, two hundred sixty million, seven hundred fifty-five thousand, nine hundred forty-five".