120040173603 has 12 divisors (see below), whose sum is σ = 198161556528. Its totient is φ = 68594384880.

The previous prime is 120040173557. The next prime is 120040173607. The reversal of 120040173603 is 306371040021.

120040173603 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 40 + 17 + 3 + 603 = 666.

It is not a de Polignac number, because 120040173603 - 2¹⁰ = 120040172579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120040173607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 952699728 + ... + 952699853.

It is an arithmetic number, because the mean of its divisors is an integer number (16513463044).

Almost surely, 2^120040173603 is an apocalyptic number.

120040173603 is a deficient number, since it is larger than the sum of its proper divisors (78121382925).

120040173603 is a wasteful number, since it uses less digits than its factorization.

120040173603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905399594 (or 1905399591 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The spelling of 120040173603 in words is "one hundred twenty billion, forty million, one hundred seventy-three thousand, six hundred three".