123552225 has 18 divisors (see below), whose sum is σ = 221296166. Its totient is φ = 65894400.

The previous prime is 123552197. The next prime is 123552227. The reversal of 123552225 is 522255321.

It can be written as a sum of positive squares in 3 ways, for example, as 38340864 + 85211361 = 6192^2 + 9231^2 .

It is not a de Polignac number, because 123552225 - 2⁶ = 123552161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123552227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 274336 + ... + 274785.

Almost surely, 2^123552225 is an apocalyptic number.

123552225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123552225 is a deficient number, since it is larger than the sum of its proper divisors (97743941).

123552225 is a wasteful number, since it uses less digits than its factorization.

123552225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549137 (or 549129 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 123552225 is about 11115.4048509265. The cubic root of 123552225 is about 498.0621323746.

The spelling of 123552225 in words is "one hundred twenty-three million, five hundred fifty-two thousand, two hundred twenty-five".