1208280493 has 4 divisors (see below), whose sum is σ = 1380892000. Its totient is φ = 1035668988.

The previous prime is 1208280467. The next prime is 1208280517. The reversal of 1208280493 is 3940828021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1208280493 - 2⁵ = 1208280461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208280443) 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 3 ways as a sum of consecutive naturals, for example, 86305743 + ... + 86305756.

It is an arithmetic number, because the mean of its divisors is an integer number (345223000).

Almost surely, 2^1208280493 is an apocalyptic number.

It is an amenable number.

1208280493 is a deficient number, since it is larger than the sum of its proper divisors (172611507).

1208280493 is an equidigital number, since it uses as much as digits as its factorization.

1208280493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172611506.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1208280493 is about 34760.3292993608. The cubic root of 1208280493 is about 1065.0972287378.

The spelling of 1208280493 in words is "one billion, two hundred eight million, two hundred eighty thousand, four hundred ninety-three".