120356254439 has 4 divisors (see below), whose sum is σ = 120390382224. Its totient is φ = 120322126656.

The previous prime is 120356254429. The next prime is 120356254463. The reversal of 120356254439 is 934452653021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120356254439 - 2¹⁶ = 120356188903 is a prime.

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 120356254439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120356254409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17058602 + ... + 17065655.

It is an arithmetic number, because the mean of its divisors is an integer number (30097595556).

Almost surely, 2^120356254439 is an apocalyptic number.

120356254439 is a deficient number, since it is larger than the sum of its proper divisors (34127785).

120356254439 is an equidigital number, since it uses as much as digits as its factorization.

120356254439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34127784.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 120356254439 in words is "one hundred twenty billion, three hundred fifty-six million, two hundred fifty-four thousand, four hundred thirty-nine".