124122142 has 8 divisors (see below), whose sum is σ = 186242832. Its totient is φ = 62041200.

The previous prime is 124122139. The next prime is 124122143. The reversal of 124122142 is 241221421.

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

It is a super-2 number, since 2×124122142² = 30812612269336328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124122143) 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, 234 + ... + 15757.

It is an arithmetic number, because the mean of its divisors is an integer number (23280354).

Almost surely, 2^124122142 is an apocalyptic number.

124122142 is a deficient number, since it is larger than the sum of its proper divisors (62120690).

124122142 is a wasteful number, since it uses less digits than its factorization.

124122142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19874.

The product of its digits is 256, while the sum is 19.

The square root of 124122142 is about 11141.0117134846. The cubic root of 124122142 is about 498.8267718915.

Adding to 124122142 its reverse (241221421), we get a palindrome (365343563).

The spelling of 124122142 in words is "one hundred twenty-four million, one hundred twenty-two thousand, one hundred forty-two".