124220340311 has 4 divisors (see below), whose sum is σ = 125319635472. Its totient is φ = 123121045152.

The previous prime is 124220340301. The next prime is 124220340313. The reversal of 124220340311 is 113043022421.

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-124220340311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124220340313) 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, 549647411 + ... + 549647636.

It is an arithmetic number, because the mean of its divisors is an integer number (31329908868).

Almost surely, 2^124220340311 is an apocalyptic number.

124220340311 is a deficient number, since it is larger than the sum of its proper divisors (1099295161).

124220340311 is a wasteful number, since it uses less digits than its factorization.

124220340311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099295160.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 124220340311 its reverse (113043022421), we get a palindrome (237263362732).

The spelling of 124220340311 in words is "one hundred twenty-four billion, two hundred twenty million, three hundred forty thousand, three hundred eleven".