1200152351257 has 2 divisors, whose sum is σ = 1200152351258. Its totient is φ = 1200152351256.

The previous prime is 1200152351183. The next prime is 1200152351323. The reversal of 1200152351257 is 7521532510021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 644405957001 + 555746394256 = 802749^2 + 745484^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200152351257 - 2¹⁹ = 1200151826969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200152351557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600076175628 + 600076175629.

It is an arithmetic number, because the mean of its divisors is an integer number (600076175629).

Almost surely, 2^{1200152351257} is an apocalyptic number.

It is an amenable number.

1200152351257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200152351257 is an equidigital number, since it uses as much as digits as its factorization.

1200152351257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 34.

Adding to 1200152351257 its reverse (7521532510021), we get a palindrome (8721684861278).

The spelling of 1200152351257 in words is "one trillion, two hundred billion, one hundred fifty-two million, three hundred fifty-one thousand, two hundred fifty-seven".