1208455797 has 16 divisors (see below), whose sum is σ = 1641867008. Its totient is φ = 790456320.

The previous prime is 1208455793. The next prime is 1208455813. The reversal of 1208455797 is 7975548021.

It is not a de Polignac number, because 1208455797 - 2² = 1208455793 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 (1208455793) 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, 27972 + ... + 56562.

It is an arithmetic number, because the mean of its divisors is an integer number (102616688).

Almost surely, 2^1208455797 is an apocalyptic number.

It is an amenable number.

1208455797 is a deficient number, since it is larger than the sum of its proper divisors (433411211).

1208455797 is a wasteful number, since it uses less digits than its factorization.

1208455797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28860.

The product of its (nonzero) digits is 705600, while the sum is 48.

The square root of 1208455797 is about 34762.8508180788. The cubic root of 1208455797 is about 1065.1487363076.

The spelling of 1208455797 in words is "one billion, two hundred eight million, four hundred fifty-five thousand, seven hundred ninety-seven".