122155426 has 16 divisors (see below), whose sum is σ = 190771704. Its totient is φ = 58610304.

The previous prime is 122155417. The next prime is 122155433. The reversal of 122155426 is 624551221.

It can be written as a sum of positive squares in 4 ways, for example, as 118919025 + 3236401 = 10905^2 + 1799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122155394 and 122155403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5905 + ... + 16708.

Almost surely, 2^122155426 is an apocalyptic number.

122155426 is a deficient number, since it is larger than the sum of its proper divisors (68616278).

122155426 is a wasteful number, since it uses less digits than its factorization.

122155426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22725.

The product of its digits is 4800, while the sum is 28.

The square root of 122155426 is about 11052.3945821709. The cubic root of 122155426 is about 496.1780951891.

The spelling of 122155426 in words is "one hundred twenty-two million, one hundred fifty-five thousand, four hundred twenty-six".