120024100355 has 4 divisors (see below), whose sum is σ = 144028920432. Its totient is φ = 96019280280.

The previous prime is 120024100331. The next prime is 120024100367. The reversal of 120024100355 is 553001420021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553001420021 = 53 ⋅10433989057.

It is not a de Polignac number, because 120024100355 - 2²² = 120019906051 is a prime.

It is a super-3 number, since 3×120024100355³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120024100355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12002410031 + ... + 12002410040.

It is an arithmetic number, because the mean of its divisors is an integer number (36007230108).

Almost surely, 2^120024100355 is an apocalyptic number.

120024100355 is a deficient number, since it is larger than the sum of its proper divisors (24004820077).

120024100355 is an equidigital number, since it uses as much as digits as its factorization.

120024100355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24004820076.

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

Adding to 120024100355 its reverse (553001420021), we get a palindrome (673025520376).

The spelling of 120024100355 in words is "one hundred twenty billion, twenty-four million, one hundred thousand, three hundred fifty-five".