1101243041 has 4 divisors (see below), whose sum is σ = 1124673792. Its totient is φ = 1077812292.

The previous prime is 1101243019. The next prime is 1101243089. The reversal of 1101243041 is 1403421011.

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 1101243041 - 2²² = 1097048737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101243001) 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, 11715305 + ... + 11715398.

It is an arithmetic number, because the mean of its divisors is an integer number (281168448).

Almost surely, 2^1101243041 is an apocalyptic number.

It is an amenable number.

1101243041 is a deficient number, since it is larger than the sum of its proper divisors (23430751).

1101243041 is an equidigital number, since it uses as much as digits as its factorization.

1101243041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23430750.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1101243041 is about 33184.9821606099. The cubic root of 1101243041 is about 1032.6688074164.

Adding to 1101243041 its reverse (1403421011), we get a palindrome (2504664052).

The spelling of 1101243041 in words is "one billion, one hundred one million, two hundred forty-three thousand, forty-one".