120310043257 has 2 divisors, whose sum is σ = 120310043258. Its totient is φ = 120310043256.

The previous prime is 120310043213. The next prime is 120310043263. The reversal of 120310043257 is 752340013021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119806669161 + 503374096 = 346131^2 + 22436^2 .

It is a cyclic number.

It is not a de Polignac number, because 120310043257 - 2²⁷ = 120175825529 is a prime.

It is a super-2 number, since 2×120310043257² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120310043207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60155021628 + 60155021629.

It is an arithmetic number, because the mean of its divisors is an integer number (60155021629).

Almost surely, 2^120310043257 is an apocalyptic number.

It is an amenable number.

120310043257 is a deficient number, since it is larger than the sum of its proper divisors (1).

120310043257 is an equidigital number, since it uses as much as digits as its factorization.

120310043257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 120310043257 its reverse (752340013021), we get a palindrome (872650056278).

The spelling of 120310043257 in words is "one hundred twenty billion, three hundred ten million, forty-three thousand, two hundred fifty-seven".