124140417 has 4 divisors (see below), whose sum is σ = 165520560. Its totient is φ = 82760276.

The previous prime is 124140397. The next prime is 124140449. The reversal of 124140417 is 714041421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124140417 - 2⁸ = 124140161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124140487) 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, 20690067 + ... + 20690072.

It is an arithmetic number, because the mean of its divisors is an integer number (41380140).

Almost surely, 2^124140417 is an apocalyptic number.

It is an amenable number.

124140417 is a deficient number, since it is larger than the sum of its proper divisors (41380143).

124140417 is an equidigital number, since it uses as much as digits as its factorization.

124140417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41380142.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 124140417 is about 11141.8318511814. The cubic root of 124140417 is about 498.8512521111.

Adding to 124140417 its reverse (714041421), we get a palindrome (838181838).

It can be divided in two parts, 1241404 and 17, that added together give a palindrome (1241421).

The spelling of 124140417 in words is "one hundred twenty-four million, one hundred forty thousand, four hundred seventeen".