124440313111 has 2 divisors, whose sum is σ = 124440313112. Its totient is φ = 124440313110.

The previous prime is 124440313093. The next prime is 124440313183. The reversal of 124440313111 is 111313044421.

It is a weak prime.

It is an emirp because it is prime and its reverse (111313044421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124440313111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124440313511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62220156555 + 62220156556.

It is an arithmetic number, because the mean of its divisors is an integer number (62220156556).

Almost surely, 2^124440313111 is an apocalyptic number.

124440313111 is a deficient number, since it is larger than the sum of its proper divisors (1).

124440313111 is an equidigital number, since it uses as much as digits as its factorization.

124440313111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 124440313111 its reverse (111313044421), we get a palindrome (235753357532).

The spelling of 124440313111 in words is "one hundred twenty-four billion, four hundred forty million, three hundred thirteen thousand, one hundred eleven".