1197165043 has 2 divisors, whose sum is σ = 1197165044. Its totient is φ = 1197165042.

The previous prime is 1197165031. The next prime is 1197165061. The reversal of 1197165043 is 3405617911.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1197165043 - 2²¹ = 1195067891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1197164993 and 1197165011.

It is not a weakly prime, because it can be changed into another prime (1197165023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598582521 + 598582522.

It is an arithmetic number, because the mean of its divisors is an integer number (598582522).

Almost surely, 2^1197165043 is an apocalyptic number.

1197165043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197165043 is an equidigital number, since it uses as much as digits as its factorization.

1197165043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1197165043 is about 34600.0728756458. The cubic root of 1197165043 is about 1061.8210783916.

The spelling of 1197165043 in words is "one billion, one hundred ninety-seven million, one hundred sixty-five thousand, forty-three".