1208264899 has 4 divisors (see below), whose sum is σ = 1208528136. Its totient is φ = 1208001664.

The previous prime is 1208264887. The next prime is 1208264909. The reversal of 1208264899 is 9984628021.

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

It is a cyclic number.

It is not a de Polignac number, because 1208264899 - 2¹⁷ = 1208133827 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1208264809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124609 + ... + 133954.

It is an arithmetic number, because the mean of its divisors is an integer number (302132034).

Almost surely, 2^1208264899 is an apocalyptic number.

1208264899 is a deficient number, since it is larger than the sum of its proper divisors (263237).

1208264899 is an equidigital number, since it uses as much as digits as its factorization.

1208264899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263236.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 1208264899 is about 34760.1049912108. The cubic root of 1208264899 is about 1065.0926466898.

The spelling of 1208264899 in words is "one billion, two hundred eight million, two hundred sixty-four thousand, eight hundred ninety-nine".