1142120201 has 2 divisors, whose sum is σ = 1142120202. Its totient is φ = 1142120200.

The previous prime is 1142120183. The next prime is 1142120219. The reversal of 1142120201 is 1020212411.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1142120183) and next prime (1142120219).

It can be written as a sum of positive squares in only one way, i.e., 964164601 + 177955600 = 31051^2 + 13340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142120201 - 2¹⁴ = 1142103817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1142140201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571060100 + 571060101.

It is an arithmetic number, because the mean of its divisors is an integer number (571060101).

Almost surely, 2^1142120201 is an apocalyptic number.

It is an amenable number.

1142120201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142120201 is an equidigital number, since it uses as much as digits as its factorization.

1142120201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1142120201 is about 33795.2689144501. The cubic root of 1142120201 is about 1045.2911442007.

Adding to 1142120201 its reverse (1020212411), we get a palindrome (2162332612).

The spelling of 1142120201 in words is "one billion, one hundred forty-two million, one hundred twenty thousand, two hundred one".