120243002420542 has 16 divisors (see below), whose sum is σ = 181016583508800. Its totient is φ = 59904143516448.

The previous prime is 120243002420539. The next prime is 120243002420551. The reversal of 120243002420542 is 245024200342021.

It is a happy number.

It is a super-2 number, since 2×120243002420542² (a number of 29 digits) contains 22 as substring.

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, 134953008 + ... + 135841084.

It is an arithmetic number, because the mean of its divisors is an integer number (11313536469300).

Almost surely, 2^{120243002420542} is an apocalyptic number.

120243002420542 is a deficient number, since it is larger than the sum of its proper divisors (60773581088258).

120243002420542 is a wasteful number, since it uses less digits than its factorization.

120243002420542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132755.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 120243002420542 its reverse (245024200342021), we get a palindrome (365267202762563).

The spelling of 120243002420542 in words is "one hundred twenty trillion, two hundred forty-three billion, two million, four hundred twenty thousand, five hundred forty-two".