124020421232 has 40 divisors (see below), whose sum is σ = 255323430576. Its totient is φ = 58156286976.

The previous prime is 124020421211. The next prime is 124020421241. The reversal of 124020421232 is 232124020421.

It is a junction number, because it is equal to n+sod(n) for n = 124020421198 and 124020421207.

It is a congruent number.

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, 728603 + ... + 882554.

Almost surely, 2^124020421232 is an apocalyptic number.

It is an amenable number.

124020421232 is an abundant number, since it is smaller than the sum of its proper divisors (131303009344).

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

124020421232 is a wasteful number, since it uses less digits than its factorization.

124020421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611465 (or 1611459 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 124020421232 its reverse (232124020421), we get a palindrome (356144441653).

The spelling of 124020421232 in words is "one hundred twenty-four billion, twenty million, four hundred twenty-one thousand, two hundred thirty-two".