122352136 has 8 divisors (see below), whose sum is σ = 229410270. Its totient is φ = 61176064.

The previous prime is 122352121. The next prime is 122352137. The reversal of 122352136 is 631253221.

It can be written as a sum of positive squares in only one way, i.e., 84529636 + 37822500 = 9194^2 + 6150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 122352136.

It is not an unprimeable number, because it can be changed into a prime (122352137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7647001 + ... + 7647016.

Almost surely, 2^122352136 is an apocalyptic number.

It is an amenable number.

122352136 is a deficient number, since it is larger than the sum of its proper divisors (107058134).

122352136 is a wasteful number, since it uses less digits than its factorization.

122352136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15294023 (or 15294019 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 122352136 is about 11061.2899790214. The cubic root of 122352136 is about 496.4442884375. Note that the first 3 decimals are identical.

The spelling of 122352136 in words is "one hundred twenty-two million, three hundred fifty-two thousand, one hundred thirty-six".