124340111 has 4 divisors (see below), whose sum is σ = 142102992. Its totient is φ = 106577232.

The previous prime is 124340107. The next prime is 124340113. The reversal of 124340111 is 111043421.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 124340111 - 2² = 124340107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124340111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124340113) 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, 8881430 + ... + 8881443.

It is an arithmetic number, because the mean of its divisors is an integer number (35525748).

Almost surely, 2^124340111 is an apocalyptic number.

124340111 is a deficient number, since it is larger than the sum of its proper divisors (17762881).

124340111 is an equidigital number, since it uses as much as digits as its factorization.

124340111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17762880.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 124340111 is about 11150.7897029762. The cubic root of 124340111 is about 499.1185951640.

Adding to 124340111 its reverse (111043421), we get a palindrome (235383532).

The spelling of 124340111 in words is "one hundred twenty-four million, three hundred forty thousand, one hundred eleven".