122541556 has 6 divisors (see below), whose sum is σ = 214447730. Its totient is φ = 61270776.

The previous prime is 122541553. The next prime is 122541557. The reversal of 122541556 is 655145221.

It can be written as a sum of positive squares in only one way, i.e., 94090000 + 28451556 = 9700^2 + 5334^2 .

It is a super-2 number, since 2×122541556² = 30032865893802272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122541553) 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 as a sum of consecutive naturals, namely, 15317691 + ... + 15317698.

Almost surely, 2^122541556 is an apocalyptic number.

It is an amenable number.

122541556 is a deficient number, since it is larger than the sum of its proper divisors (91906174).

122541556 is a wasteful number, since it uses less digits than its factorization.

122541556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30635393 (or 30635391 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 122541556 is about 11069.8489601259. The cubic root of 122541556 is about 496.7003471497.

Adding to 122541556 its reverse (655145221), we get a palindrome (777686777).

The spelling of 122541556 in words is "one hundred twenty-two million, five hundred forty-one thousand, five hundred fifty-six".