123150005 has 32 divisors (see below), whose sum is σ = 166561920. Its totient is φ = 86644480.

The previous prime is 123149987. The next prime is 123150029. The reversal of 123150005 is 500051321.

It is not a de Polignac number, because 123150005 - 2⁶ = 123149941 is a prime.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 241691 + ... + 242199.

It is an arithmetic number, because the mean of its divisors is an integer number (5205060).

Almost surely, 2^123150005 is an apocalyptic number.

It is an amenable number.

123150005 is a deficient number, since it is larger than the sum of its proper divisors (43411915).

123150005 is a wasteful number, since it uses less digits than its factorization.

123150005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 123150005 is about 11097.2971934611. The cubic root of 123150005 is about 497.5210701244.

The spelling of 123150005 in words is "one hundred twenty-three million, one hundred fifty thousand, five".