122280445 has 8 divisors (see below), whose sum is σ = 167698944. Its totient is φ = 83849424.

The previous prime is 122280437. The next prime is 122280469. The reversal of 122280445 is 544082221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122280445 - 2³ = 122280437 is a prime.

It is a congruent number.

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, 1746829 + ... + 1746898.

It is an arithmetic number, because the mean of its divisors is an integer number (20962368).

Almost surely, 2^122280445 is an apocalyptic number.

It is an amenable number.

122280445 is a deficient number, since it is larger than the sum of its proper divisors (45418499).

122280445 is an equidigital number, since it uses as much as digits as its factorization.

122280445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3493739.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 122280445 is about 11058.0488785319. The cubic root of 122280445 is about 496.3473073188.

The spelling of 122280445 in words is "one hundred twenty-two million, two hundred eighty thousand, four hundred forty-five".