1110001481 has 2 divisors, whose sum is σ = 1110001482. Its totient is φ = 1110001480.

The previous prime is 1110001457. The next prime is 1110001499. The reversal of 1110001481 is 1841000111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 845646400 + 264355081 = 29080^2 + 16259^2 .

It is an emirp because it is prime and its reverse (1841000111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110001481 is a prime.

It is a super-2 number, since 2×1110001481² = 2464206575644386722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1110001421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555000740 + 555000741.

It is an arithmetic number, because the mean of its divisors is an integer number (555000741).

Almost surely, 2^1110001481 is an apocalyptic number.

It is an amenable number.

1110001481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110001481 is an equidigital number, since it uses as much as digits as its factorization.

1110001481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 1110001481 is about 33316.6847240238. The cubic root of 1110001481 is about 1035.3992659364.

Adding to 1110001481 its reverse (1841000111), we get a palindrome (2951001592).

The spelling of 1110001481 in words is "one billion, one hundred ten million, one thousand, four hundred eighty-one".