1121633057 has 2 divisors, whose sum is σ = 1121633058. Its totient is φ = 1121633056.

The previous prime is 1121633017. The next prime is 1121633081. The reversal of 1121633057 is 7503361211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1046134336 + 75498721 = 32344^2 + 8689^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121633057 - 2⁸ = 1121632801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121633017) 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, 560816528 + 560816529.

It is an arithmetic number, because the mean of its divisors is an integer number (560816529).

Almost surely, 2^1121633057 is an apocalyptic number.

It is an amenable number.

1121633057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121633057 is an equidigital number, since it uses as much as digits as its factorization.

1121633057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1121633057 is about 33490.7906296641. The cubic root of 1121633057 is about 1039.0033156575.

Adding to 1121633057 its reverse (7503361211), we get a palindrome (8624994268).

The spelling of 1121633057 in words is "one billion, one hundred twenty-one million, six hundred thirty-three thousand, fifty-seven".