120424215143 has 16 divisors (see below), whose sum is σ = 126775259136. Its totient is φ = 114170480160.

The previous prime is 120424215133. The next prime is 120424215167. The reversal of 120424215143 is 341512424021.

It is a happy number.

It is not a de Polignac number, because 120424215143 - 2²⁸ = 120155779687 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 (120424215133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167380 + ... + 1266342.

It is an arithmetic number, because the mean of its divisors is an integer number (7923453696).

Almost surely, 2^120424215143 is an apocalyptic number.

120424215143 is a deficient number, since it is larger than the sum of its proper divisors (6351043993).

120424215143 is a wasteful number, since it uses less digits than its factorization.

120424215143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99454.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 120424215143 its reverse (341512424021), we get a palindrome (461936639164).

The spelling of 120424215143 in words is "one hundred twenty billion, four hundred twenty-four million, two hundred fifteen thousand, one hundred forty-three".