1042200001 has 2 divisors, whose sum is σ = 1042200002. Its totient is φ = 1042200000.

The previous prime is 1042199947. The next prime is 1042200007. The reversal of 1042200001 is 1000022401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1041998400 + 201601 = 32280^2 + 449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042200001 - 2⁹ = 1042199489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042200007) 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, 521100000 + 521100001.

It is an arithmetic number, because the mean of its divisors is an integer number (521100001).

Almost surely, 2^1042200001 is an apocalyptic number.

It is an amenable number.

1042200001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042200001 is an equidigital number, since it uses as much as digits as its factorization.

1042200001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1042200001 is about 32283.1225410430. The cubic root of 1042200001 is about 1013.8733082588.

Adding to 1042200001 its reverse (1000022401), we get a palindrome (2042222402).

The spelling of 1042200001 in words is "one billion, forty-two million, two hundred thousand, one".