122115285 has 12 divisors (see below), whose sum is σ = 211666572. Its totient is φ = 65128128.

The previous prime is 122115271. The next prime is 122115307. The reversal of 122115285 is 582511221.

It is a happy number.

122115285 is a `hidden beast` number, since 122 + 11 + 528 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21594609 + 100520676 = 4647^2 + 10026^2 .

It is not a de Polignac number, because 122115285 - 2⁶ = 122115221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1356792 + ... + 1356881.

It is an arithmetic number, because the mean of its divisors is an integer number (17638881).

Almost surely, 2^122115285 is an apocalyptic number.

122115285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122115285 is a deficient number, since it is larger than the sum of its proper divisors (89551287).

122115285 is a wasteful number, since it uses less digits than its factorization.

122115285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713684 (or 2713681 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 122115285 is about 11050.5784916447. The cubic root of 122115285 is about 496.1237402098.

The spelling of 122115285 in words is "one hundred twenty-two million, one hundred fifteen thousand, two hundred eighty-five".