1260207706 has 4 divisors (see below), whose sum is σ = 1890311562. Its totient is φ = 630103852.

The previous prime is 1260207667. The next prime is 1260207709. The reversal of 1260207706 is 6077020621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 821682225 + 438525481 = 28665^2 + 20941^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1260207709) 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 as a sum of consecutive naturals, namely, 315051925 + ... + 315051928.

Almost surely, 2^1260207706 is an apocalyptic number.

1260207706 is a deficient number, since it is larger than the sum of its proper divisors (630103856).

1260207706 is an equidigital number, since it uses as much as digits as its factorization.

1260207706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630103855.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 1260207706 is about 35499.4043048612. The cubic root of 1260207706 is about 1080.1416440880.

The spelling of 1260207706 in words is "one billion, two hundred sixty million, two hundred seven thousand, seven hundred six".