122073986 has 4 divisors (see below), whose sum is σ = 183110982. Its totient is φ = 61036992.

The previous prime is 122073983. The next prime is 122073997. The reversal of 122073986 is 689370221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 94458961 + 27615025 = 9719^2 + 5255^2 .

It is not an unprimeable number, because it can be changed into a prime (122073983) 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 as a sum of consecutive naturals, namely, 30518495 + ... + 30518498.

Almost surely, 2^122073986 is an apocalyptic number.

122073986 is a deficient number, since it is larger than the sum of its proper divisors (61036996).

122073986 is an equidigital number, since it uses as much as digits as its factorization.

122073986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61036995.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 122073986 is about 11048.7096984218. The cubic root of 122073986 is about 496.0678047480.

The spelling of 122073986 in words is "one hundred twenty-two million, seventy-three thousand, nine hundred eighty-six".