120405622 has 32 divisors (see below), whose sum is σ = 202053600. Its totient is φ = 53561088.

The previous prime is 120405619. The next prime is 120405629. The reversal of 120405622 is 226504021.

It is a junction number, because it is equal to n+sod(n) for n = 120405593 and 120405602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120405629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39298 + ... + 42250.

It is an arithmetic number, because the mean of its divisors is an integer number (6314175).

Almost surely, 2^120405622 is an apocalyptic number.

120405622 is a deficient number, since it is larger than the sum of its proper divisors (81647978).

120405622 is a wasteful number, since it uses less digits than its factorization.

120405622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 120405622 is about 10972.9495578901. The cubic root of 120405622 is about 493.7975397905.

Adding to 120405622 its reverse (226504021), we get a palindrome (346909643).

The spelling of 120405622 in words is "one hundred twenty million, four hundred five thousand, six hundred twenty-two".