1197849049 has 2 divisors, whose sum is σ = 1197849050. Its totient is φ = 1197849048.

The previous prime is 1197849013. The next prime is 1197849067. The reversal of 1197849049 is 9409487911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1041223824 + 156625225 = 32268^2 + 12515^2 .

It is a cyclic number.

It is not a de Polignac number, because 1197849049 - 2⁷ = 1197848921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1197848987 and 1197849005.

It is not a weakly prime, because it can be changed into another prime (1197849349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598924524 + 598924525.

It is an arithmetic number, because the mean of its divisors is an integer number (598924525).

Almost surely, 2^1197849049 is an apocalyptic number.

It is an amenable number.

1197849049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197849049 is an equidigital number, since it uses as much as digits as its factorization.

1197849049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 1197849049 is about 34609.9559231155. The cubic root of 1197849049 is about 1062.0232654148.

The spelling of 1197849049 in words is "one billion, one hundred ninety-seven million, eight hundred forty-nine thousand, forty-nine".