124231122020 has 24 divisors (see below), whose sum is σ = 276231554424. Its totient is φ = 46769363456.

The previous prime is 124231121951. The next prime is 124231122083. The reversal of 124231122020 is 20221132421.

It can be written as a sum of positive squares in 4 ways, for example, as 9311478016 + 114919644004 = 96496^2 + 338998^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 124231121983 and 124231122001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182692487 + ... + 182693166.

It is an arithmetic number, because the mean of its divisors is an integer number (11509648101).

Almost surely, 2^124231122020 is an apocalyptic number.

124231122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124231122020 is an abundant number, since it is smaller than the sum of its proper divisors (152000432404).

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

124231122020 is a wasteful number, since it uses less digits than its factorization.

124231122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365385679 (or 365385677 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 124231122020 its reverse (20221132421), we get a palindrome (144452254441).

The spelling of 124231122020 in words is "one hundred twenty-four billion, two hundred thirty-one million, one hundred twenty-two thousand, twenty".