124409071 has 4 divisors (see below), whose sum is σ = 124464600. Its totient is φ = 124353544.

The previous prime is 124409063. The next prime is 124409099. The reversal of 124409071 is 170904421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170904421 = 23 ⋅7430627.

It is a cyclic number.

It is not a de Polignac number, because 124409071 - 2³ = 124409063 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 (124409011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24256 + ... + 28933.

It is an arithmetic number, because the mean of its divisors is an integer number (31116150).

Almost surely, 2^124409071 is an apocalyptic number.

124409071 is a deficient number, since it is larger than the sum of its proper divisors (55529).

124409071 is an equidigital number, since it uses as much as digits as its factorization.

124409071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55528.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 124409071 is about 11153.8814320397. The cubic root of 124409071 is about 499.2108498059.

The spelling of 124409071 in words is "one hundred twenty-four million, four hundred nine thousand, seventy-one".