120342542 has 16 divisors (see below), whose sum is σ = 193602960. Its totient is φ = 55927872.

The previous prime is 120342539. The next prime is 120342557. The reversal of 120342542 is 245243021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27863 + ... + 31890.

It is an arithmetic number, because the mean of its divisors is an integer number (12100185).

Almost surely, 2^120342542 is an apocalyptic number.

120342542 is a deficient number, since it is larger than the sum of its proper divisors (73260418).

120342542 is a wasteful number, since it uses less digits than its factorization.

120342542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59827.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 120342542 is about 10970.0748402187. The cubic root of 120342542 is about 493.7112919076.

Adding to 120342542 its reverse (245243021), we get a palindrome (365585563).

The spelling of 120342542 in words is "one hundred twenty million, three hundred forty-two thousand, five hundred forty-two".