1263060506 has 16 divisors (see below), whose sum is σ = 1903287240. Its totient is φ = 628637760.

The previous prime is 1263060493. The next prime is 1263060517. The reversal of 1263060506 is 6050603621.

It can be written as a sum of positive squares in 4 ways, for example, as 1218638281 + 44422225 = 34909^2 + 6665^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778376 + ... + 779996.

Almost surely, 2^1263060506 is an apocalyptic number.

1263060506 is a deficient number, since it is larger than the sum of its proper divisors (640226734).

1263060506 is a wasteful number, since it uses less digits than its factorization.

1263060506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1263060506 is about 35539.5625465480. The cubic root of 1263060506 is about 1080.9560880852.

The spelling of 1263060506 in words is "one billion, two hundred sixty-three million, sixty thousand, five hundred six".