1121004202177 has 2 divisors, whose sum is σ = 1121004202178. Its totient is φ = 1121004202176.

The previous prime is 1121004202147. The next prime is 1121004202183. The reversal of 1121004202177 is 7712024001211.

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., 872512919056 + 248491283121 = 934084^2 + 498489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121004202177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121004202117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560502101088 + 560502101089.

It is an arithmetic number, because the mean of its divisors is an integer number (560502101089).

Almost surely, 2^{1121004202177} is an apocalyptic number.

It is an amenable number.

1121004202177 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121004202177 is an equidigital number, since it uses as much as digits as its factorization.

1121004202177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 28.

Adding to 1121004202177 its reverse (7712024001211), we get a palindrome (8833028203388).

The spelling of 1121004202177 in words is "one trillion, one hundred twenty-one billion, four million, two hundred two thousand, one hundred seventy-seven".