122280385 has 16 divisors (see below), whose sum is σ = 152913600. Its totient is φ = 93756096.

The previous prime is 122280359. The next prime is 122280401. The reversal of 122280385 is 583082221.

It is a cyclic number.

It is not a de Polignac number, because 122280385 - 2¹¹ = 122278337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17122 + ... + 23188.

It is an arithmetic number, because the mean of its divisors is an integer number (9557100).

Almost surely, 2^122280385 is an apocalyptic number.

It is an amenable number.

122280385 is a deficient number, since it is larger than the sum of its proper divisors (30633215).

122280385 is a wasteful number, since it uses less digits than its factorization.

122280385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6240.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 122280385 is about 11058.0461655755. The cubic root of 122280385 is about 496.3472261370.

The spelling of 122280385 in words is "one hundred twenty-two million, two hundred eighty thousand, three hundred eighty-five".