122331473786 has 4 divisors (see below), whose sum is σ = 183497210682. Its totient is φ = 61165736892.

The previous prime is 122331473783. The next prime is 122331473819. The reversal of 122331473786 is 687374133221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 687374133221 = 19 ⋅36177585959.

It can be written as a sum of positive squares in only one way, i.e., 121944132025 + 387341761 = 349205^2 + 19681^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122331473786.

It is not an unprimeable number, because it can be changed into a prime (122331473783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30582868445 + ... + 30582868448.

Almost surely, 2^122331473786 is an apocalyptic number.

122331473786 is a deficient number, since it is larger than the sum of its proper divisors (61165736896).

122331473786 is an equidigital number, since it uses as much as digits as its factorization.

122331473786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61165736895.

The product of its digits is 1016064, while the sum is 47.

The spelling of 122331473786 in words is "one hundred twenty-two billion, three hundred thirty-one million, four hundred seventy-three thousand, seven hundred eighty-six".