10400124113 has 4 divisors (see below), whose sum is σ = 10440591780. Its totient is φ = 10359656448.

The previous prime is 10400124109. The next prime is 10400124127. The reversal of 10400124113 is 31142100401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31142100401 = 607 ⋅51304943.

It can be written as a sum of positive squares in 2 ways, for example, as 9997600144 + 402523969 = 99988^2 + 20063^2 .

It is a cyclic number.

It is not a de Polignac number, because 10400124113 - 2² = 10400124109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10400124091 and 10400124100.

It is not an unprimeable number, because it can be changed into a prime (10400124193) 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, 20233448 + ... + 20233961.

It is an arithmetic number, because the mean of its divisors is an integer number (2610147945).

Almost surely, 2^10400124113 is an apocalyptic number.

It is an amenable number.

10400124113 is a deficient number, since it is larger than the sum of its proper divisors (40467667).

10400124113 is an equidigital number, since it uses as much as digits as its factorization.

10400124113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40467666.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10400124113 its reverse (31142100401), we get a palindrome (41542224514).

The spelling of 10400124113 in words is "ten billion, four hundred million, one hundred twenty-four thousand, one hundred thirteen".