124343420242 has 32 divisors (see below), whose sum is σ = 191045433600. Its totient is φ = 60669737088.

The previous prime is 124343420233. The next prime is 124343420261. The reversal of 124343420242 is 242024343421.

It is a super-2 number, since 2×124343420242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77279134 + ... + 77280742.

It is an arithmetic number, because the mean of its divisors is an integer number (5970169800).

Almost surely, 2^124343420242 is an apocalyptic number.

124343420242 is a deficient number, since it is larger than the sum of its proper divisors (66702013358).

124343420242 is a wasteful number, since it uses less digits than its factorization.

124343420242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 124343420242 its reverse (242024343421), we get a palindrome (366367763663).

The spelling of 124343420242 in words is "one hundred twenty-four billion, three hundred forty-three million, four hundred twenty thousand, two hundred forty-two".