122561985058 has 4 divisors (see below), whose sum is σ = 183842977590. Its totient is φ = 61280992528.

The previous prime is 122561985019. The next prime is 122561985199. The reversal of 122561985058 is 850589165221.

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., 120827845609 + 1734139449 = 347603^2 + 41643^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122561984996 and 122561985014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30640496263 + ... + 30640496266.

Almost surely, 2^122561985058 is an apocalyptic number.

122561985058 is a deficient number, since it is larger than the sum of its proper divisors (61280992532).

122561985058 is an equidigital number, since it uses as much as digits as its factorization.

122561985058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61280992531.

The product of its (nonzero) digits is 1728000, while the sum is 52.

The spelling of 122561985058 in words is "one hundred twenty-two billion, five hundred sixty-one million, nine hundred eighty-five thousand, fifty-eight".