4121780143 has 32 divisors (see below), whose sum is σ = 4804148160. Its totient is φ = 3503554560.

The previous prime is 4121780129. The next prime is 4121780153. The reversal of 4121780143 is 3410871214.

It is a cyclic number.

It is not a de Polignac number, because 4121780143 - 2²¹ = 4119682991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121780153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3574255 + ... + 3575407.

It is an arithmetic number, because the mean of its divisors is an integer number (150129630).

Almost surely, 2^4121780143 is an apocalyptic number.

4121780143 is a deficient number, since it is larger than the sum of its proper divisors (682368017).

4121780143 is a wasteful number, since it uses less digits than its factorization.

4121780143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 4121780143 is about 64201.0914471086. The cubic root of 4121780143 is about 1603.3497714534.

The spelling of 4121780143 in words is "four billion, one hundred twenty-one million, seven hundred eighty thousand, one hundred forty-three".