123225416 has 8 divisors (see below), whose sum is σ = 231047670. Its totient is φ = 61612704.

The previous prime is 123225413. The next prime is 123225419. The reversal of 123225416 is 614522321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123225413) and next prime (123225419).

It can be written as a sum of positive squares in only one way, i.e., 69789316 + 53436100 = 8354^2 + 7310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (123225413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7701581 + ... + 7701596.

Almost surely, 2^123225416 is an apocalyptic number.

It is an amenable number.

123225416 is a deficient number, since it is larger than the sum of its proper divisors (107822254).

123225416 is a wasteful number, since it uses less digits than its factorization.

123225416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15403183 (or 15403179 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 123225416 is about 11100.6943926945. The cubic root of 123225416 is about 497.6226018724.

Adding to 123225416 its reverse (614522321), we get a palindrome (737747737).

The spelling of 123225416 in words is "one hundred twenty-three million, two hundred twenty-five thousand, four hundred sixteen".