1121120302157 has 2 divisors, whose sum is σ = 1121120302158. Its totient is φ = 1121120302156.

The previous prime is 1121120302117. The next prime is 1121120302189. The reversal of 1121120302157 is 7512030211211.

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., 1107000683881 + 14119618276 = 1052141^2 + 118826^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121120302157 - 2²⁰ = 1121119253581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121120302117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560560151078 + 560560151079.

It is an arithmetic number, because the mean of its divisors is an integer number (560560151079).

Almost surely, 2^{1121120302157} is an apocalyptic number.

It is an amenable number.

1121120302157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121120302157 is an equidigital number, since it uses as much as digits as its factorization.

1121120302157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 1121120302157 its reverse (7512030211211), we get a palindrome (8633150513368).

The spelling of 1121120302157 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, three hundred two thousand, one hundred fifty-seven".