120042030515 has 32 divisors (see below), whose sum is σ = 162257264640. Its totient is φ = 84465129600.

The previous prime is 120042030443. The next prime is 120042030529. The reversal of 120042030515 is 515030240021.

It is not a de Polignac number, because 120042030515 - 2³⁴ = 102862161331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9403517 + ... + 9416273.

It is an arithmetic number, because the mean of its divisors is an integer number (5070539520).

Almost surely, 2^120042030515 is an apocalyptic number.

120042030515 is a deficient number, since it is larger than the sum of its proper divisors (42215234125).

120042030515 is a wasteful number, since it uses less digits than its factorization.

120042030515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18323.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 120042030515 its reverse (515030240021), we get a palindrome (635072270536).

The spelling of 120042030515 in words is "one hundred twenty billion, forty-two million, thirty thousand, five hundred fifteen".