124000111 has 2 divisors, whose sum is σ = 124000112. Its totient is φ = 124000110.

The previous prime is 124000087. The next prime is 124000139. The reversal of 124000111 is 111000421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124000111 - 2⁷ = 123999983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124000411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62000055 + 62000056.

It is an arithmetic number, because the mean of its divisors is an integer number (62000056).

Almost surely, 2^124000111 is an apocalyptic number.

124000111 is a deficient number, since it is larger than the sum of its proper divisors (1).

124000111 is an equidigital number, since it uses as much as digits as its factorization.

124000111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 124000111 is about 11135.5337097061. The cubic root of 124000111 is about 498.6632440185.

Adding to 124000111 its reverse (111000421), we get a palindrome (235000532).

The spelling of 124000111 in words is "one hundred twenty-four million, one hundred eleven", and thus it is an aban number.