122846572994 has 4 divisors (see below), whose sum is σ = 184269859494. Its totient is φ = 61423286496.

The previous prime is 122846572973. The next prime is 122846573011. The reversal of 122846572994 is 499275648221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 499275648221 = 7 ⋅71325092603.

It can be written as a sum of positive squares in only one way, i.e., 76847047369 + 45999525625 = 277213^2 + 214475^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30711643247 + ... + 30711643250.

Almost surely, 2^122846572994 is an apocalyptic number.

122846572994 is a deficient number, since it is larger than the sum of its proper divisors (61423286500).

122846572994 is an equidigital number, since it uses as much as digits as its factorization.

122846572994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61423286499.

The product of its digits is 17418240, while the sum is 59.

The spelling of 122846572994 in words is "one hundred twenty-two billion, eight hundred forty-six million, five hundred seventy-two thousand, nine hundred ninety-four".