1042120201 has 2 divisors, whose sum is σ = 1042120202. Its totient is φ = 1042120200.

The previous prime is 1042120199. The next prime is 1042120231. The reversal of 1042120201 is 1020212401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1041998400 + 121801 = 32280^2 + 349^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042120201 - 2¹ = 1042120199 is a prime.

Together with 1042120199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1042120231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521060100 + 521060101.

It is an arithmetic number, because the mean of its divisors is an integer number (521060101).

Almost surely, 2^1042120201 is an apocalyptic number.

It is an amenable number.

1042120201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042120201 is an equidigital number, since it uses as much as digits as its factorization.

1042120201 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 13.

The square root of 1042120201 is about 32281.8865774601. The cubic root of 1042120201 is about 1013.8474305786.

Adding to 1042120201 its reverse (1020212401), we get a palindrome (2062332602).

The spelling of 1042120201 in words is "one billion, forty-two million, one hundred twenty thousand, two hundred one".