1263053506 has 32 divisors (see below), whose sum is σ = 2257186176. Its totient is φ = 522480000.

The previous prime is 1263053431. The next prime is 1263053507. The reversal of 1263053506 is 6053503621.

It is not an unprimeable number, because it can be changed into a prime (1263053507) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10795 + ... + 51406.

It is an arithmetic number, because the mean of its divisors is an integer number (70537068).

Almost surely, 2^1263053506 is an apocalyptic number.

1263053506 is a deficient number, since it is larger than the sum of its proper divisors (994132670).

1263053506 is a wasteful number, since it uses less digits than its factorization.

1263053506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62298.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 1263053506 is about 35539.4640646141. The cubic root of 1263053506 is about 1080.9540911614.

The spelling of 1263053506 in words is "one billion, two hundred sixty-three million, fifty-three thousand, five hundred six".