1124400013 has 4 divisors (see below), whose sum is σ = 1226618208. Its totient is φ = 1022181820.

The previous prime is 1124399989. The next prime is 1124400029. The reversal of 1124400013 is 3100044211.

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 1124400013 - 2⁵ = 1124399981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1124400013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124400313) 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, 51109081 + ... + 51109102.

It is an arithmetic number, because the mean of its divisors is an integer number (306654552).

Almost surely, 2^1124400013 is an apocalyptic number.

It is an amenable number.

1124400013 is a deficient number, since it is larger than the sum of its proper divisors (102218195).

1124400013 is a wasteful number, since it uses less digits than its factorization.

1124400013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102218194.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1124400013 is about 33532.0743915434. The cubic root of 1124400013 is about 1039.8569863134.

Adding to 1124400013 its reverse (3100044211), we get a palindrome (4224444224).

The spelling of 1124400013 in words is "one billion, one hundred twenty-four million, four hundred thousand, thirteen".