122852745 has 24 divisors (see below), whose sum is σ = 213876936. Its totient is φ = 65234688.

The previous prime is 122852711. The next prime is 122852747. The reversal of 122852745 is 547258221.

It is a happy number.

122852745 is a `hidden beast` number, since 122 + 8 + 527 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4717584 + 118135161 = 2172^2 + 10869^2 .

It is not a de Polignac number, because 122852745 - 2¹⁷ = 122721673 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (122852747) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4627 + ... + 16343.

It is an arithmetic number, because the mean of its divisors is an integer number (8911539).

Almost surely, 2^122852745 is an apocalyptic number.

122852745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122852745 is a deficient number, since it is larger than the sum of its proper divisors (91024191).

122852745 is a wasteful number, since it uses less digits than its factorization.

122852745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11961 (or 11958 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 122852745 is about 11083.8957501413. The cubic root of 122852745 is about 497.1204414543.

The spelling of 122852745 in words is "one hundred twenty-two million, eight hundred fifty-two thousand, seven hundred forty-five".