120002430405 has 32 divisors (see below), whose sum is σ = 225571006080. Its totient is φ = 53707380480.

The previous prime is 120002430403. The next prime is 120002430409. The reversal of 120002430405 is 504034200021.

It is not a de Polignac number, because 120002430405 - 2¹ = 120002430403 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002430403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27970450 + ... + 27974739.

It is an arithmetic number, because the mean of its divisors is an integer number (7049093940).

Almost surely, 2^120002430405 is an apocalyptic number.

120002430405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120002430405 is a deficient number, since it is larger than the sum of its proper divisors (105568575675).

120002430405 is a wasteful number, since it uses less digits than its factorization.

120002430405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55945221.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 120002430405 its reverse (504034200021), we get a palindrome (624036630426).

The spelling of 120002430405 in words is "one hundred twenty billion, two million, four hundred thirty thousand, four hundred five".