122277506 has 16 divisors (see below), whose sum is σ = 198536184. Its totient is φ = 56146944.

The previous prime is 122277487. The next prime is 122277511. The reversal of 122277506 is 605772221.

It can be written as a sum of positive squares in 4 ways, for example, as 96216481 + 26061025 = 9809^2 + 5105^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6815 + ... + 17058.

Almost surely, 2^122277506 is an apocalyptic number.

122277506 is a deficient number, since it is larger than the sum of its proper divisors (76258678).

122277506 is a wasteful number, since it uses less digits than its factorization.

122277506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24085.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 122277506 is about 11057.9159881055. The cubic root of 122277506 is about 496.3433307319.

The spelling of 122277506 in words is "one hundred twenty-two million, two hundred seventy-seven thousand, five hundred six".