124131023 has 4 divisors (see below), whose sum is σ = 129528048. Its totient is φ = 118734000.

The previous prime is 124131019. The next prime is 124131083. The reversal of 124131023 is 320131421.

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 124131023 - 2² = 124131019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124130992 and 124131010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124131013) 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, 2698478 + ... + 2698523.

It is an arithmetic number, because the mean of its divisors is an integer number (32382012).

Almost surely, 2^124131023 is an apocalyptic number.

124131023 is a deficient number, since it is larger than the sum of its proper divisors (5397025).

124131023 is an equidigital number, since it uses as much as digits as its factorization.

124131023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397024.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 124131023 is about 11141.4102787753. The cubic root of 124131023 is about 498.8386687076.

Adding to 124131023 its reverse (320131421), we get a palindrome (444262444).

The spelling of 124131023 in words is "one hundred twenty-four million, one hundred thirty-one thousand, twenty-three".