1111275241 has 4 divisors (see below), whose sum is σ = 1111419792. Its totient is φ = 1111130692.

The previous prime is 1111275239. The next prime is 1111275251. The reversal of 1111275241 is 1425721111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1111275241 - 2¹ = 1111275239 is a prime.

It is a super-2 number, since 2×1111275241² = 2469865322519216162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111275251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60055 + ... + 76348.

It is an arithmetic number, because the mean of its divisors is an integer number (277854948).

Almost surely, 2^1111275241 is an apocalyptic number.

It is an amenable number.

1111275241 is a deficient number, since it is larger than the sum of its proper divisors (144551).

1111275241 is an equidigital number, since it uses as much as digits as its factorization.

1111275241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144550.

The product of its digits is 560, while the sum is 25.

The square root of 1111275241 is about 33335.7951907555. The cubic root of 1111275241 is about 1035.7951651130.

Adding to 1111275241 its reverse (1425721111), we get a palindrome (2536996352).

The spelling of 1111275241 in words is "one billion, one hundred eleven million, two hundred seventy-five thousand, two hundred forty-one".