1208364797 has 4 divisors (see below), whose sum is σ = 1217185116. Its totient is φ = 1199544480.

The previous prime is 1208364767. The next prime is 1208364821. The reversal of 1208364797 is 7974638021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7974638021 = 7 ⋅1139234003.

It can be written as a sum of positive squares in 2 ways, for example, as 420496036 + 787868761 = 20506^2 + 28069^2 .

It is a cyclic number.

It is not a de Polignac number, because 1208364797 - 2¹⁰ = 1208363773 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 (1208364727) 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, 4409954 + ... + 4410227.

It is an arithmetic number, because the mean of its divisors is an integer number (304296279).

Almost surely, 2^1208364797 is an apocalyptic number.

It is an amenable number.

1208364797 is a deficient number, since it is larger than the sum of its proper divisors (8820319).

1208364797 is an equidigital number, since it uses as much as digits as its factorization.

1208364797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8820318.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 1208364797 is about 34761.5419249492. The cubic root of 1208364797 is about 1065.1219994399.

The spelling of 1208364797 in words is "one billion, two hundred eight million, three hundred sixty-four thousand, seven hundred ninety-seven".