1120321057 has 2 divisors, whose sum is σ = 1120321058. Its totient is φ = 1120321056.

The previous prime is 1120321051. The next prime is 1120321067. The reversal of 1120321057 is 7501230211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 797723536 + 322597521 = 28244^2 + 17961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120321057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120321051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560160528 + 560160529.

It is an arithmetic number, because the mean of its divisors is an integer number (560160529).

Almost surely, 2^1120321057 is an apocalyptic number.

It is an amenable number.

1120321057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120321057 is an equidigital number, since it uses as much as digits as its factorization.

1120321057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1120321057 is about 33471.1974240540. The cubic root of 1120321057 is about 1038.5980422339.

Adding to 1120321057 its reverse (7501230211), we get a palindrome (8621551268).

The spelling of 1120321057 in words is "one billion, one hundred twenty million, three hundred twenty-one thousand, fifty-seven".