124040117 has 4 divisors (see below), whose sum is σ = 124082796. Its totient is φ = 123997440.

The previous prime is 124040107. The next prime is 124040123. The reversal of 124040117 is 711040421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 64657681 + 59382436 = 8041^2 + 7706^2 .

It is a cyclic number.

It is not a de Polignac number, because 124040117 - 2¹⁴ = 124023733 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 (124040107) 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, 16634 + ... + 22907.

It is an arithmetic number, because the mean of its divisors is an integer number (31020699).

Almost surely, 2^124040117 is an apocalyptic number.

It is an amenable number.

124040117 is a deficient number, since it is larger than the sum of its proper divisors (42679).

124040117 is an equidigital number, since it uses as much as digits as its factorization.

124040117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42678.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 124040117 is about 11137.3298864674. The cubic root of 124040117 is about 498.7168659508.

Adding to 124040117 its reverse (711040421), we get a palindrome (835080538).

The spelling of 124040117 in words is "one hundred twenty-four million, forty thousand, one hundred seventeen".