1011442441 has 2 divisors, whose sum is σ = 1011442442. Its totient is φ = 1011442440.

The previous prime is 1011442433. The next prime is 1011442463. The reversal of 1011442441 is 1442441101.

It is an a-pointer prime, because the next prime (1011442463) can be obtained adding 1011442441 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1009904841 + 1537600 = 31779^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011442441 - 2³ = 1011442433 is a prime.

It is a super-2 number, since 2×1011442441² = 2046031622912076962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011442141) 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, 505721220 + 505721221.

It is an arithmetic number, because the mean of its divisors is an integer number (505721221).

Almost surely, 2^1011442441 is an apocalyptic number.

It is an amenable number.

1011442441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011442441 is an equidigital number, since it uses as much as digits as its factorization.

1011442441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1011442441 is about 31803.1828753035. The cubic root of 1011442441 is about 1003.7996910616.

Adding to 1011442441 its reverse (1442441101), we get a palindrome (2453883542).

It can be divided in two parts, 101 and 1442441, that multiplied together give a palindrome (145686541).

The spelling of 1011442441 in words is "one billion, eleven million, four hundred forty-two thousand, four hundred forty-one".