123958134 has 16 divisors (see below), whose sum is σ = 275462640. Its totient is φ = 41319360.

The previous prime is 123958127. The next prime is 123958141. The reversal of 123958134 is 431859321.

123958134 is a `hidden beast` number, since 12 + 39 + 581 + 34 = 666.

It is an interprime number because it is at equal distance from previous prime (123958127) and next prime (123958141).

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 7 ways as a sum of consecutive naturals, for example, 1147707 + ... + 1147814.

It is an arithmetic number, because the mean of its divisors is an integer number (17216415).

Almost surely, 2^123958134 is an apocalyptic number.

123958134 is an abundant number, since it is smaller than the sum of its proper divisors (151504506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123958134 is a wasteful number, since it uses less digits than its factorization.

123958134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295532 (or 2295526 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 123958134 is about 11133.6487280675. The cubic root of 123958134 is about 498.6069678606.

The spelling of 123958134 in words is "one hundred twenty-three million, nine hundred fifty-eight thousand, one hundred thirty-four".