1197178441 has 2 divisors, whose sum is σ = 1197178442. Its totient is φ = 1197178440.

The previous prime is 1197178417. The next prime is 1197178457. The reversal of 1197178441 is 1448717911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1006158400 + 191020041 = 31720^2 + 13821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1197178441 - 2¹⁹ = 1196654153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1197178141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598589220 + 598589221.

It is an arithmetic number, because the mean of its divisors is an integer number (598589221).

Almost surely, 2^1197178441 is an apocalyptic number.

It is an amenable number.

1197178441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197178441 is an equidigital number, since it uses as much as digits as its factorization.

1197178441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 43.

The square root of 1197178441 is about 34600.2664874131. The cubic root of 1197178441 is about 1061.8250394789.

The spelling of 1197178441 in words is "one billion, one hundred ninety-seven million, one hundred seventy-eight thousand, four hundred forty-one".