123225154 has 16 divisors (see below), whose sum is σ = 200886840. Its totient is φ = 56350080.

The previous prime is 123225139. The next prime is 123225161. The reversal of 123225154 is 451522321.

It can be written as a sum of positive squares in 4 ways, for example, as 106193025 + 17032129 = 10305^2 + 4127^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18907 + ... + 24574.

Almost surely, 2^123225154 is an apocalyptic number.

123225154 is a deficient number, since it is larger than the sum of its proper divisors (77661686).

123225154 is a wasteful number, since it uses less digits than its factorization.

123225154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43605.

The product of its digits is 2400, while the sum is 25.

The square root of 123225154 is about 11100.6825916247. The cubic root of 123225154 is about 497.6222491930.

Adding to 123225154 its reverse (451522321), we get a palindrome (574747475).

The spelling of 123225154 in words is "one hundred twenty-three million, two hundred twenty-five thousand, one hundred fifty-four".