1121304029 has 2 divisors, whose sum is σ = 1121304030. Its totient is φ = 1121304028.

The previous prime is 1121304001. The next prime is 1121304031. The reversal of 1121304029 is 9204031211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1077611929 + 43692100 = 32827^2 + 6610^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121304029 - 2⁸ = 1121303773 is a prime.

Together with 1121304031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121303995 and 1121304013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121304229) 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, 560652014 + 560652015.

It is an arithmetic number, because the mean of its divisors is an integer number (560652015).

Almost surely, 2^1121304029 is an apocalyptic number.

It is an amenable number.

1121304029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121304029 is an equidigital number, since it uses as much as digits as its factorization.

1121304029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1121304029 is about 33485.8780532929. The cubic root of 1121304029 is about 1038.9017094580.

The spelling of 1121304029 in words is "one billion, one hundred twenty-one million, three hundred four thousand, twenty-nine".