123525005 has 16 divisors (see below), whose sum is σ = 152334000. Its totient is φ = 96099840.

The previous prime is 123524993. The next prime is 123525029. The reversal of 123525005 is 500525321.

It can be written as a sum of positive squares in 8 ways, for example, as 36457444 + 87067561 = 6038^2 + 9331^2 .

It is not a de Polignac number, because 123525005 - 2⁸ = 123524749 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 78971 + ... + 80519.

It is an arithmetic number, because the mean of its divisors is an integer number (9520875).

Almost surely, 2^123525005 is an apocalyptic number.

It is an amenable number.

123525005 is a deficient number, since it is larger than the sum of its proper divisors (28808995).

123525005 is a wasteful number, since it uses less digits than its factorization.

123525005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 123525005 is about 11114.1803566435. The cubic root of 123525005 is about 498.0255533841.

The spelling of 123525005 in words is "one hundred twenty-three million, five hundred twenty-five thousand, five".