124242122 has 8 divisors (see below), whose sum is σ = 186474756. Its totient is φ = 62083872.

The previous prime is 124242109. The next prime is 124242133. The reversal of 124242122 is 221242421.

It can be written as a sum of positive squares in 2 ways, for example, as 123632161 + 609961 = 11119^2 + 781^2 .

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

It is a super-2 number, since 2×124242122² = 30872209758125768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124242094 and 124242103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14213 + ... + 21224.

Almost surely, 2^124242122 is an apocalyptic number.

124242122 is a deficient number, since it is larger than the sum of its proper divisors (62232634).

124242122 is a wasteful number, since it uses less digits than its factorization.

124242122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37192.

The product of its digits is 512, while the sum is 20.

The square root of 124242122 is about 11146.3950226071. The cubic root of 124242122 is about 498.9874468564.

Adding to 124242122 its reverse (221242421), we get a palindrome (345484543).

The spelling of 124242122 in words is "one hundred twenty-four million, two hundred forty-two thousand, one hundred twenty-two".