1103042001 has 4 divisors (see below), whose sum is σ = 1470722672. Its totient is φ = 735361332.

The previous prime is 1103041997. The next prime is 1103042011. The reversal of 1103042001 is 1002403011.

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 not a de Polignac number, because 1103042001 - 2² = 1103041997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103042011) 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, 183840331 + ... + 183840336.

It is an arithmetic number, because the mean of its divisors is an integer number (367680668).

Almost surely, 2^1103042001 is an apocalyptic number.

It is an amenable number.

1103042001 is a deficient number, since it is larger than the sum of its proper divisors (367680671).

1103042001 is an equidigital number, since it uses as much as digits as its factorization.

1103042001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367680670.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1103042001 is about 33212.0761320337. The cubic root of 1103042001 is about 1033.2308145142.

Adding to 1103042001 its reverse (1002403011), we get a palindrome (2105445012).

The spelling of 1103042001 in words is "one billion, one hundred three million, forty-two thousand, one".