120072306534 has 16 divisors (see below), whose sum is σ = 240151633920. Its totient is φ = 40022932040.

The previous prime is 120072306533. The next prime is 120072306551. The reversal of 120072306534 is 435603270021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120072306495 and 120072306504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120072306533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55422 + ... + 493169.

It is an arithmetic number, because the mean of its divisors is an integer number (15009477120).

Almost surely, 2^120072306534 is an apocalyptic number.

120072306534 is an abundant number, since it is smaller than the sum of its proper divisors (120079327386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120072306534 is a wasteful number, since it uses less digits than its factorization.

120072306534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585075.

The product of its (nonzero) digits is 30240, while the sum is 33.

Adding to 120072306534 its reverse (435603270021), we get a palindrome (555675576555).

The spelling of 120072306534 in words is "one hundred twenty billion, seventy-two million, three hundred six thousand, five hundred thirty-four".