122109562 has 16 divisors (see below), whose sum is σ = 191178792. Its totient is φ = 58439680.

The previous prime is 122109499. The next prime is 122109587. The reversal of 122109562 is 265901221.

It can be written as a sum of positive squares in 4 ways, for example, as 43414921 + 78694641 = 6589^2 + 8871^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122109562.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9703 + ... + 18394.

Almost surely, 2^122109562 is an apocalyptic number.

122109562 is a deficient number, since it is larger than the sum of its proper divisors (69069230).

122109562 is a wasteful number, since it uses less digits than its factorization.

122109562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28193.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 122109562 is about 11050.3195428911. The cubic root of 122109562 is about 496.1159897181.

The spelling of 122109562 in words is "one hundred twenty-two million, one hundred nine thousand, five hundred sixty-two".