1121071151 has 2 divisors, whose sum is σ = 1121071152. Its totient is φ = 1121071150.

The previous prime is 1121071139. The next prime is 1121071153. The reversal of 1121071151 is 1511701211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121071151 - 2⁶ = 1121071087 is a prime.

Together with 1121071153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121071153) 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, 560535575 + 560535576.

It is an arithmetic number, because the mean of its divisors is an integer number (560535576).

Almost surely, 2^1121071151 is an apocalyptic number.

1121071151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121071151 is an equidigital number, since it uses as much as digits as its factorization.

1121071151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 20.

The square root of 1121071151 is about 33482.4006158459. The cubic root of 1121071151 is about 1038.8297830530.

Adding to 1121071151 its reverse (1511701211), we get a palindrome (2632772362).

The spelling of 1121071151 in words is "one billion, one hundred twenty-one million, seventy-one thousand, one hundred fifty-one".