124342532420 has 48 divisors (see below), whose sum is σ = 262470499200. Its totient is φ = 49479984384.

The previous prime is 124342532417. The next prime is 124342532471. The reversal of 124342532420 is 24235243421.

It is a super-2 number, since 2×124342532420² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6341672 + ... + 6361248.

It is an arithmetic number, because the mean of its divisors is an integer number (5468135400).

Almost surely, 2^124342532420 is an apocalyptic number.

124342532420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124342532420 is an abundant number, since it is smaller than the sum of its proper divisors (138127966780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124342532420 is a wasteful number, since it uses less digits than its factorization.

124342532420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21212 (or 21210 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 124342532420 its reverse (24235243421), we get a palindrome (148577775841).

The spelling of 124342532420 in words is "one hundred twenty-four billion, three hundred forty-two million, five hundred thirty-two thousand, four hundred twenty".