123941958 has 16 divisors (see below), whose sum is σ = 283296000. Its totient is φ = 35411976.

The previous prime is 123941947. The next prime is 123941977. The reversal of 123941958 is 859149321.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2950999 = 123941958 / (1 + 2 + 3 + 9 + 4 + 1 + 9 + 5 + 8).

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475458 + ... + 1475541.

It is an arithmetic number, because the mean of its divisors is an integer number (17706000).

Almost surely, 2^123941958 is an apocalyptic number.

123941958 is an abundant number, since it is smaller than the sum of its proper divisors (159354042).

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

123941958 is a wasteful number, since it uses less digits than its factorization.

123941958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951011.

The product of its digits is 77760, while the sum is 42.

The square root of 123941958 is about 11132.9222578800. The cubic root of 123941958 is about 498.5852782333.

The spelling of 123941958 in words is "one hundred twenty-three million, nine hundred forty-one thousand, nine hundred fifty-eight".