122247773 has 4 divisors (see below), whose sum is σ = 125229468. Its totient is φ = 119266080.

The previous prime is 122247743. The next prime is 122247779. The reversal of 122247773 is 377742221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 377742221 = 1777 ⋅212573.

It can be written as a sum of positive squares in 2 ways, for example, as 18472804 + 103774969 = 4298^2 + 10187^2 .

It is a cyclic number.

It is not a de Polignac number, because 122247773 - 2¹⁶ = 122182237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122247779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1490786 + ... + 1490867.

It is an arithmetic number, because the mean of its divisors is an integer number (31307367).

Almost surely, 2^122247773 is an apocalyptic number.

It is an amenable number.

122247773 is a deficient number, since it is larger than the sum of its proper divisors (2981695).

122247773 is an equidigital number, since it uses as much as digits as its factorization.

122247773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981694.

The product of its digits is 32928, while the sum is 35.

The square root of 122247773 is about 11056.5714848682. The cubic root of 122247773 is about 496.3030971871.

Adding to 122247773 its reverse (377742221), we get a palindrome (499989994).

The spelling of 122247773 in words is "one hundred twenty-two million, two hundred forty-seven thousand, seven hundred seventy-three".