4121236780 has 24 divisors (see below), whose sum is σ = 8657197920. Its totient is φ = 1647999360.

The previous prime is 4121236739. The next prime is 4121236787. The reversal of 4121236780 is 876321214.

4121236780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4121236787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41385 + ... + 99775.

It is an arithmetic number, because the mean of its divisors is an integer number (360716580).

Almost surely, 2^4121236780 is an apocalyptic number.

It is an amenable number.

4121236780 is an abundant number, since it is smaller than the sum of its proper divisors (4535961140).

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

4121236780 is a wasteful number, since it uses less digits than its factorization.

4121236780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61929 (or 61927 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4121236780 is about 64196.8595805122. The cubic root of 4121236780 is about 1603.2793132859.

Adding to 4121236780 its reverse (876321214), we get a palindrome (4997557994).

The spelling of 4121236780 in words is "four billion, one hundred twenty-one million, two hundred thirty-six thousand, seven hundred eighty".