1262313064 has 16 divisors (see below), whose sum is σ = 2367303300. Its totient is φ = 631032192.

The previous prime is 1262313029. The next prime is 1262313067. The reversal of 1262313064 is 4603132621.

It can be written as a sum of positive squares in 2 ways, for example, as 1251036900 + 11276164 = 35370^2 + 3358^2 .

It is not an unprimeable number, because it can be changed into a prime (1262313067) 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 in 3 ways as a sum of consecutive naturals, for example, 38764 + ... + 63460.

Almost surely, 2^1262313064 is an apocalyptic number.

It is an amenable number.

1262313064 is a deficient number, since it is larger than the sum of its proper divisors (1104990236).

1262313064 is a wasteful number, since it uses less digits than its factorization.

1262313064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31092 (or 31088 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1262313064 is about 35529.0453572848. The cubic root of 1262313064 is about 1080.7428200211.

Adding to 1262313064 its reverse (4603132621), we get a palindrome (5865445685).

The spelling of 1262313064 in words is "one billion, two hundred sixty-two million, three hundred thirteen thousand, sixty-four".