122561882026 has 16 divisors (see below), whose sum is σ = 195322294440. Its totient is φ = 57568674240.

The previous prime is 122561882021. The next prime is 122561882039. The reversal of 122561882026 is 620288165221.

It can be written as a sum of positive squares in 4 ways, for example, as 119647501801 + 2914380225 = 345901^2 + 53985^2 .

It is not an unprimeable number, because it can be changed into a prime (122561882021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28553745 + ... + 28558036.

Almost surely, 2^122561882026 is an apocalyptic number.

122561882026 is a deficient number, since it is larger than the sum of its proper divisors (72760412414).

122561882026 is a wasteful number, since it uses less digits than its factorization.

122561882026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57111849.

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 122561882026 in words is "one hundred twenty-two billion, five hundred sixty-one million, eight hundred eighty-two thousand, twenty-six".