124123412123 has 8 divisors (see below), whose sum is σ = 125291169792. Its totient is φ = 122955797736.

The previous prime is 124123412117. The next prime is 124123412129. The reversal of 124123412123 is 321214321421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (124123412117) and next prime (124123412129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124123412123 - 2¹² = 124123408027 is a prime.

It is a super-2 number, since 2×124123412123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124123412092 and 124123412101.

It is not an unprimeable number, because it can be changed into a prime (124123412129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2635286 + ... + 2681972.

It is an arithmetic number, because the mean of its divisors is an integer number (15661396224).

Almost surely, 2^124123412123 is an apocalyptic number.

124123412123 is a deficient number, since it is larger than the sum of its proper divisors (1167757669).

124123412123 is a wasteful number, since it uses less digits than its factorization.

124123412123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71641.

The product of its digits is 2304, while the sum is 26.

Adding to 124123412123 its reverse (321214321421), we get a palindrome (445337733544).

The spelling of 124123412123 in words is "one hundred twenty-four billion, one hundred twenty-three million, four hundred twelve thousand, one hundred twenty-three".