1050042401 has 2 divisors, whose sum is σ = 1050042402. Its totient is φ = 1050042400.

The previous prime is 1050042397. The next prime is 1050042403. The reversal of 1050042401 is 1042400501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 751582225 + 298460176 = 27415^2 + 17276^2 .

It is an emirp because it is prime and its reverse (1042400501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1050042401 - 2² = 1050042397 is a prime.

It is a super-2 number, since 2×1050042401² = 2205178087795689602, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1050042403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1050042401.

It is not a weakly prime, because it can be changed into another prime (1050042403) 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, 525021200 + 525021201.

It is an arithmetic number, because the mean of its divisors is an integer number (525021201).

Almost surely, 2^1050042401 is an apocalyptic number.

It is an amenable number.

1050042401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050042401 is an equidigital number, since it uses as much as digits as its factorization.

1050042401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1050042401 is about 32404.3577470685. The cubic root of 1050042401 is about 1016.4100379710.

Adding to 1050042401 its reverse (1042400501), we get a palindrome (2092442902).

The spelling of 1050042401 in words is "one billion, fifty million, forty-two thousand, four hundred one".