122436985 has 24 divisors (see below), whose sum is σ = 166061376. Its totient is φ = 85942080.

The previous prime is 122436973. The next prime is 122437001. The reversal of 122436985 is 589634221.

It is not a de Polignac number, because 122436985 - 2⁹ = 122436473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44932 + ... + 47578.

It is an arithmetic number, because the mean of its divisors is an integer number (6919224).

Almost surely, 2^122436985 is an apocalyptic number.

It is an amenable number.

122436985 is a deficient number, since it is larger than the sum of its proper divisors (43624391).

122436985 is a wasteful number, since it uses less digits than its factorization.

122436985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721 (or 2692 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 122436985 is about 11065.1247168751. The cubic root of 122436985 is about 496.5590203073.

The spelling of 122436985 in words is "one hundred twenty-two million, four hundred thirty-six thousand, nine hundred eighty-five".