124511213413 has 8 divisors (see below), whose sum is σ = 126571431896. Its totient is φ = 122451609600.

The previous prime is 124511213371. The next prime is 124511213417. The reversal of 124511213413 is 314312115421.

It can be written as a sum of positive squares in 4 ways, for example, as 1002545569 + 123508667844 = 31663^2 + 351438^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124511213413 is a prime.

It is a super-2 number, since 2×124511213413² (a number of 23 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 (124511213417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264133 + ... + 564613.

It is an arithmetic number, because the mean of its divisors is an integer number (15821428987).

Almost surely, 2^124511213413 is an apocalyptic number.

It is an amenable number.

124511213413 is a deficient number, since it is larger than the sum of its proper divisors (2060218483).

124511213413 is an equidigital number, since it uses as much as digits as its factorization.

124511213413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307335.

The product of its digits is 2880, while the sum is 28.

Adding to 124511213413 its reverse (314312115421), we get a palindrome (438823328834).

The spelling of 124511213413 in words is "one hundred twenty-four billion, five hundred eleven million, two hundred thirteen thousand, four hundred thirteen".