120142004 has 6 divisors (see below), whose sum is σ = 210248514. Its totient is φ = 60071000.

The previous prime is 120142003. The next prime is 120142007. The reversal of 120142004 is 400241021.

It can be written as a sum of positive squares in only one way, i.e., 115519504 + 4622500 = 10748^2 + 2150^2 .

It is a super-2 number, since 2×120142004² = 28868202250272032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120142004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120142003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15017747 + ... + 15017754.

It is an arithmetic number, because the mean of its divisors is an integer number (35041419).

Almost surely, 2^120142004 is an apocalyptic number.

It is an amenable number.

120142004 is a deficient number, since it is larger than the sum of its proper divisors (90106510).

120142004 is a wasteful number, since it uses less digits than its factorization.

120142004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30035505 (or 30035503 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 120142004 is about 10960.9307998910. The cubic root of 120142004 is about 493.4369003811.

Adding to 120142004 its reverse (400241021), we get a palindrome (520383025).

The spelling of 120142004 in words is "one hundred twenty million, one hundred forty-two thousand, four".