123150501 has 12 divisors (see below), whose sum is σ = 184018380. Its totient is φ = 79269120.

The previous prime is 123150479. The next prime is 123150527. The reversal of 123150501 is 105051321.

123150501 is a `hidden beast` number, since 12 + 3 + 150 + 501 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21846276 + 101304225 = 4674^2 + 10065^2 .

It is not a de Polignac number, because 123150501 - 2¹⁹ = 122626213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123150551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235660 + ... + 236181.

It is an arithmetic number, because the mean of its divisors is an integer number (15334865).

Almost surely, 2^123150501 is an apocalyptic number.

It is an amenable number.

123150501 is a deficient number, since it is larger than the sum of its proper divisors (60867879).

123150501 is a wasteful number, since it uses less digits than its factorization.

123150501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471876 (or 471873 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 123150501 is about 11097.3195412226. The cubic root of 123150501 is about 497.5217380635.

It can be divided in two parts, 12 and 3150501, that added together give a palindrome (3150513).

The spelling of 123150501 in words is "one hundred twenty-three million, one hundred fifty thousand, five hundred one".