1111420241 has 2 divisors, whose sum is σ = 1111420242. Its totient is φ = 1111420240.

The previous prime is 1111420217. The next prime is 1111420279. The reversal of 1111420241 is 1420241111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 576192016 + 535228225 = 24004^2 + 23135^2 .

It is an emirp because it is prime and its reverse (1420241111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111420241 - 2²² = 1107225937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111420841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555710120 + 555710121.

It is an arithmetic number, because the mean of its divisors is an integer number (555710121).

Almost surely, 2^1111420241 is an apocalyptic number.

It is an amenable number.

1111420241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111420241 is an equidigital number, since it uses as much as digits as its factorization.

1111420241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1111420241 is about 33337.9699591922. The cubic root of 1111420241 is about 1035.8402135887.

Adding to 1111420241 its reverse (1420241111), we get a palindrome (2531661352).

It can be divided in two parts, 111 and 1420241, that multiplied together give a palindrome (157646751).

The spelling of 1111420241 in words is "one billion, one hundred eleven million, four hundred twenty thousand, two hundred forty-one".