122783373 has 12 divisors (see below), whose sum is σ = 178650108. Its totient is φ = 81257280.

The previous prime is 122783369. The next prime is 122783389. The reversal of 122783373 is 373387221.

122783373 is a `hidden beast` number, since 12 + 278 + 3 + 373 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 90668484 + 32114889 = 9522^2 + 5667^2 .

It is not a de Polignac number, because 122783373 - 2² = 122783369 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122783363) 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 in 11 ways as a sum of consecutive naturals, for example, 48558 + ... + 51023.

It is an arithmetic number, because the mean of its divisors is an integer number (14887509).

Almost surely, 2^122783373 is an apocalyptic number.

It is an amenable number.

122783373 is a deficient number, since it is larger than the sum of its proper divisors (55866735).

122783373 is a wasteful number, since it uses less digits than its factorization.

122783373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99724 (or 99721 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 122783373 is about 11080.7659031314. The cubic root of 122783373 is about 497.0268531711.

It can be divided in two parts, 12278 and 3373, that added together give a palindrome (15651).

The spelling of 122783373 in words is "one hundred twenty-two million, seven hundred eighty-three thousand, three hundred seventy-three".