1011226103 has 4 divisors (see below), whose sum is σ = 1032741600. Its totient is φ = 989710608.

The previous prime is 1011226081. The next prime is 1011226121. The reversal of 1011226103 is 3016221101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3016221101 = 19 ⋅158748479.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011226103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011226123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10757678 + ... + 10757771.

It is an arithmetic number, because the mean of its divisors is an integer number (258185400).

Almost surely, 2^1011226103 is an apocalyptic number.

1011226103 is a deficient number, since it is larger than the sum of its proper divisors (21515497).

1011226103 is an equidigital number, since it uses as much as digits as its factorization.

1011226103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21515496.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1011226103 is about 31799.7814929600. The cubic root of 1011226103 is about 1003.7281181958.

Adding to 1011226103 its reverse (3016221101), we get a palindrome (4027447204).

The spelling of 1011226103 in words is "one billion, eleven million, two hundred twenty-six thousand, one hundred three".