1124142103213 has 4 divisors (see below), whose sum is σ = 1125008829340. Its totient is φ = 1123275377088.

The previous prime is 1124142103193. The next prime is 1124142103313. The reversal of 1124142103213 is 3123012414211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 774958020489 + 349184082724 = 880317^2 + 590918^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124142103213 - 2¹⁷ = 1124141972141 is a prime.

It is a super-2 number, since 2×1124142103213² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124142103313) 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, 433361118 + ... + 433363711.

It is an arithmetic number, because the mean of its divisors is an integer number (281252207335).

Almost surely, 2^{1124142103213} is an apocalyptic number.

It is an amenable number.

1124142103213 is a deficient number, since it is larger than the sum of its proper divisors (866726127).

1124142103213 is an equidigital number, since it uses as much as digits as its factorization.

1124142103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866726126.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1124142103213 its reverse (3123012414211), we get a palindrome (4247154517424).

The spelling of 1124142103213 in words is "one trillion, one hundred twenty-four billion, one hundred forty-two million, one hundred three thousand, two hundred thirteen".