1195121 has 2 divisors, whose sum is σ = 1195122. Its totient is φ = 1195120.

The previous prime is 1195091. The next prime is 1195123. The reversal of 1195121 is 1215911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1079521 + 115600 = 1039^2 + 340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1195121 is a prime.

It is a Sophie Germain prime.

Together with 1195123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1195093 and 1195102.

It is not a weakly prime, because it can be changed into another prime (1195123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597560 + 597561.

It is an arithmetic number, because the mean of its divisors is an integer number (597561).

2^1195121 is an apocalyptic number.

It is an amenable number.

1195121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195121 is an equidigital number, since it uses as much as digits as its factorization.

1195121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90, while the sum is 20.

The square root of 1195121 is about 1093.2158981647. The cubic root of 1195121 is about 106.1216415350.

The spelling of 1195121 in words is "one million, one hundred ninety-five thousand, one hundred twenty-one".