124244143245011 has 4 divisors (see below), whose sum is σ = 124246605477024. Its totient is φ = 124241681013000.

The previous prime is 124244143244911. The next prime is 124244143245017. The reversal of 124244143245011 is 110542341442421.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124244143245011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124244143245017) 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, 1231040315 + ... + 1231141236.

It is an arithmetic number, because the mean of its divisors is an integer number (31061651369256).

Almost surely, 2^{124244143245011} is an apocalyptic number.

124244143245011 is a deficient number, since it is larger than the sum of its proper divisors (2462232013).

124244143245011 is an equidigital number, since it uses as much as digits as its factorization.

124244143245011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462232012.

The product of its (nonzero) digits is 122880, while the sum is 38.

Adding to 124244143245011 its reverse (110542341442421), we get a palindrome (234786484687432).

The spelling of 124244143245011 in words is "one hundred twenty-four trillion, two hundred forty-four billion, one hundred forty-three million, two hundred forty-five thousand, eleven".