1203142201 has 2 divisors, whose sum is σ = 1203142202. Its totient is φ = 1203142200.

The previous prime is 1203142183. The next prime is 1203142261. The reversal of 1203142201 is 1022413021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1085636601 + 117505600 = 32949^2 + 10840^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203142201 - 2¹⁵ = 1203109433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203142261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601571100 + 601571101.

It is an arithmetic number, because the mean of its divisors is an integer number (601571101).

Almost surely, 2^1203142201 is an apocalyptic number.

It is an amenable number.

1203142201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203142201 is an equidigital number, since it uses as much as digits as its factorization.

1203142201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1203142201 is about 34686.3402652975. The cubic root of 1203142201 is about 1063.5852849004.

Adding to 1203142201 its reverse (1022413021), we get a palindrome (2225555222).

The spelling of 1203142201 in words is "one billion, two hundred three million, one hundred forty-two thousand, two hundred one".