120321002257 has 2 divisors, whose sum is σ = 120321002258. Its totient is φ = 120321002256.

The previous prime is 120321002203. The next prime is 120321002341. The reversal of 120321002257 is 752200123021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116079215616 + 4241786641 = 340704^2 + 65129^2 .

It is a cyclic number.

It is not a de Polignac number, because 120321002257 - 2¹⁹ = 120320477969 is a prime.

It is not a weakly prime, because it can be changed into another prime (120321000257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60160501128 + 60160501129.

It is an arithmetic number, because the mean of its divisors is an integer number (60160501129).

Almost surely, 2^120321002257 is an apocalyptic number.

It is an amenable number.

120321002257 is a deficient number, since it is larger than the sum of its proper divisors (1).

120321002257 is an equidigital number, since it uses as much as digits as its factorization.

120321002257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 120321002257 its reverse (752200123021), we get a palindrome (872521125278).

The spelling of 120321002257 in words is "one hundred twenty billion, three hundred twenty-one million, two thousand, two hundred fifty-seven".