122454445 has 4 divisors (see below), whose sum is σ = 146945340. Its totient is φ = 97963552.

The previous prime is 122454439. The next prime is 122454457. The reversal of 122454445 is 544454221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62267881 + 60186564 = 7891^2 + 7758^2 .

It is a cyclic number.

It is not a de Polignac number, because 122454445 - 2¹³ = 122446253 is a prime.

It is a super-2 number, since 2×122454445² = 29990182200516050, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 12245440 + ... + 12245449.

It is an arithmetic number, because the mean of its divisors is an integer number (36736335).

Almost surely, 2^122454445 is an apocalyptic number.

It is an amenable number.

122454445 is a deficient number, since it is larger than the sum of its proper divisors (24490895).

122454445 is an equidigital number, since it uses as much as digits as its factorization.

122454445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24490894.

The product of its digits is 25600, while the sum is 31.

The square root of 122454445 is about 11065.9136541001. The cubic root of 122454445 is about 496.5826229478.

The spelling of 122454445 in words is "one hundred twenty-two million, four hundred fifty-four thousand, four hundred forty-five".