1197941 has 2 divisors, whose sum is σ = 1197942. Its totient is φ = 1197940.

The previous prime is 1197929. The next prime is 1197947. The reversal of 1197941 is 1497911.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1110916 + 87025 = 1054^2 + 295^2 .

It is an emirp because it is prime and its reverse (1497911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1197941 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1197898 and 1197907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1197947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598970 + 598971.

It is an arithmetic number, because the mean of its divisors is an integer number (598971).

2^1197941 is an apocalyptic number.

It is an amenable number.

1197941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197941 is an equidigital number, since it uses as much as digits as its factorization.

1197941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 32.

The square root of 1197941 is about 1094.5049109072. The cubic root of 1197941 is about 106.2050439569.

The spelling of 1197941 in words is "one million, one hundred ninety-seven thousand, nine hundred forty-one".