1123101043 has 4 divisors (see below), whose sum is σ = 1123333648. Its totient is φ = 1122868440.

The previous prime is 1123101041. The next prime is 1123101053. The reversal of 1123101043 is 3401013211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1123101043 - 2¹ = 1123101041 is a prime.

It is a super-2 number, since 2×1123101043² = 2522711905575375698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123101041) 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, 108903 + ... + 118768.

It is an arithmetic number, because the mean of its divisors is an integer number (280833412).

Almost surely, 2^1123101043 is an apocalyptic number.

1123101043 is a deficient number, since it is larger than the sum of its proper divisors (232605).

1123101043 is an equidigital number, since it uses as much as digits as its factorization.

1123101043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232604.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1123101043 is about 33512.6997271184. The cubic root of 1123101043 is about 1039.4563982963.

Adding to 1123101043 its reverse (3401013211), we get a palindrome (4524114254).

The spelling of 1123101043 in words is "one billion, one hundred twenty-three million, one hundred one thousand, forty-three".