1044252101 has 2 divisors, whose sum is σ = 1044252102. Its totient is φ = 1044252100.

The previous prime is 1044252091. The next prime is 1044252113. The reversal of 1044252101 is 1012524401.

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., 851764225 + 192487876 = 29185^2 + 13874^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044252101 - 2⁶ = 1044252037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044252161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522126050 + 522126051.

It is an arithmetic number, because the mean of its divisors is an integer number (522126051).

Almost surely, 2^1044252101 is an apocalyptic number.

It is an amenable number.

1044252101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044252101 is an equidigital number, since it uses as much as digits as its factorization.

1044252101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1044252101 is about 32314.8897723635. The cubic root of 1044252101 is about 1014.5383134892.

Adding to 1044252101 its reverse (1012524401), we get a palindrome (2056776502).

The spelling of 1044252101 in words is "one billion, forty-four million, two hundred fifty-two thousand, one hundred one".