124200420544 has 14 divisors (see below), whose sum is σ = 246460209644. Its totient is φ = 62100210240.

The previous prime is 124200420523. The next prime is 124200420557. The reversal of 124200420544 is 445024002421.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970315722 + ... + 970315849.

Almost surely, 2^124200420544 is an apocalyptic number.

It is an amenable number.

124200420544 is a deficient number, since it is larger than the sum of its proper divisors (122259789100).

124200420544 is an equidigital number, since it uses as much as digits as its factorization.

124200420544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940631583 (or 1940631573 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 124200420544 its reverse (445024002421), we get a palindrome (569224422965).

The spelling of 124200420544 in words is "one hundred twenty-four billion, two hundred million, four hundred twenty thousand, five hundred forty-four".