120720004 has 6 divisors (see below), whose sum is σ = 211260014. Its totient is φ = 60360000.

The previous prime is 120719993. The next prime is 120720013. The reversal of 120720004 is 400027021.

It can be written as a sum of positive squares in only one way, i.e., 70593604 + 50126400 = 8402^2 + 7080^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120720004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15089997 + ... + 15090004.

Almost surely, 2^120720004 is an apocalyptic number.

It is an amenable number.

120720004 is a deficient number, since it is larger than the sum of its proper divisors (90540010).

120720004 is a wasteful number, since it uses less digits than its factorization.

120720004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30180005 (or 30180003 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 120720004 is about 10987.2655378852. The cubic root of 120720004 is about 494.2269387352.

Adding to 120720004 its reverse (400027021), we get a palindrome (520747025).

The spelling of 120720004 in words is "one hundred twenty million, seven hundred twenty thousand, four".