122342985 has 24 divisors (see below), whose sum is σ = 212326920. Its totient is φ = 65167872.

The previous prime is 122342981. The next prime is 122342993. The reversal of 122342985 is 589243221.

It is a happy number.

122342985 is a `hidden beast` number, since 1 + 223 + 429 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8856576 + 113486409 = 2976^2 + 10653^2 .

It is not a de Polignac number, because 122342985 - 2² = 122342981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122342981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56401 + ... + 58529.

It is an arithmetic number, because the mean of its divisors is an integer number (8846955).

Almost surely, 2^122342985 is an apocalyptic number.

122342985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122342985 is a deficient number, since it is larger than the sum of its proper divisors (89983935).

122342985 is a wasteful number, since it uses less digits than its factorization.

122342985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417 (or 3414 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 122342985 is about 11060.8763215217. The cubic root of 122342985 is about 496.4319113890.

The spelling of 122342985 in words is "one hundred twenty-two million, three hundred forty-two thousand, nine hundred eighty-five".