1197420803 has 2 divisors, whose sum is σ = 1197420804. Its totient is φ = 1197420802.

The previous prime is 1197420799. The next prime is 1197420919. The reversal of 1197420803 is 3080247911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1197420803 - 2² = 1197420799 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1197420403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598710401 + 598710402.

It is an arithmetic number, because the mean of its divisors is an integer number (598710402).

Almost surely, 2^1197420803 is an apocalyptic number.

1197420803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197420803 is an equidigital number, since it uses as much as digits as its factorization.

1197420803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1197420803 is about 34603.7686242409. The cubic root of 1197420803 is about 1061.8966881341.

The spelling of 1197420803 in words is "one billion, one hundred ninety-seven million, four hundred twenty thousand, eight hundred three".