1202023010257 has 2 divisors, whose sum is σ = 1202023010258. Its totient is φ = 1202023010256.

The previous prime is 1202023010219. The next prime is 1202023010261. The reversal of 1202023010257 is 7520103202021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1197030739921 + 4992270336 = 1094089^2 + 70656^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202023010257 - 2⁷ = 1202023010129 is a prime.

It is a super-3 number, since 3×1202023010257³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1202023010557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601011505128 + 601011505129.

It is an arithmetic number, because the mean of its divisors is an integer number (601011505129).

Almost surely, 2^{1202023010257} is an apocalyptic number.

It is an amenable number.

1202023010257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202023010257 is an equidigital number, since it uses as much as digits as its factorization.

1202023010257 is an evil number, because the sum of its binary digits is even.

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

Adding to 1202023010257 its reverse (7520103202021), we get a palindrome (8722126212278).

The spelling of 1202023010257 in words is "one trillion, two hundred two billion, twenty-three million, ten thousand, two hundred fifty-seven".