120122111405 has 8 divisors (see below), whose sum is σ = 145766158200. Its totient is φ = 95017939456.

The previous prime is 120122111393. The next prime is 120122111413. The reversal of 120122111405 is 504111221021.

It can be written as a sum of positive squares in 4 ways, for example, as 5568293641 + 114553817764 = 74621^2 + 338458^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120122111405 - 2³² = 115827144109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134968220 + ... + 134969109.

It is an arithmetic number, because the mean of its divisors is an integer number (18220769775).

Almost surely, 2^120122111405 is an apocalyptic number.

It is an amenable number.

120122111405 is a deficient number, since it is larger than the sum of its proper divisors (25644046795).

120122111405 is an equidigital number, since it uses as much as digits as its factorization.

120122111405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269937423.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 120122111405 its reverse (504111221021), we get a palindrome (624233332426).

The spelling of 120122111405 in words is "one hundred twenty billion, one hundred twenty-two million, one hundred eleven thousand, four hundred five".