123722275 has 6 divisors (see below), whose sum is σ = 153415652. Its totient is φ = 98977800.

The previous prime is 123722251. The next prime is 123722279. The reversal of 123722275 is 572227321.

It is a de Polignac number, because none of the positive numbers 2^k-123722275 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123722279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2474421 + ... + 2474470.

Almost surely, 2^123722275 is an apocalyptic number.

123722275 is a deficient number, since it is larger than the sum of its proper divisors (29693377).

123722275 is an equidigital number, since it uses as much as digits as its factorization.

123722275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948901 (or 4948896 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 123722275 is about 11123.0515147598. The cubic root of 123722275 is about 498.2905287435.

Adding to 123722275 its reverse (572227321), we get a palindrome (695949596).

The spelling of 123722275 in words is "one hundred twenty-three million, seven hundred twenty-two thousand, two hundred seventy-five".