120435405542 has 16 divisors (see below), whose sum is σ = 186489101952. Its totient is φ = 58272548160.

The previous prime is 120435405521. The next prime is 120435405547. The reversal of 120435405542 is 245504534021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120435405547) 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, 2569178 + ... + 2615634.

It is an arithmetic number, because the mean of its divisors is an integer number (11655568872).

Almost surely, 2^120435405542 is an apocalyptic number.

120435405542 is a deficient number, since it is larger than the sum of its proper divisors (66053696410).

120435405542 is a wasteful number, since it uses less digits than its factorization.

120435405542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88303.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 120435405542 its reverse (245504534021), we get a palindrome (365939939563).

The spelling of 120435405542 in words is "one hundred twenty billion, four hundred thirty-five million, four hundred five thousand, five hundred forty-two".