123946134 has 16 divisors (see below), whose sum is σ = 266961072. Its totient is φ = 38137248.

The previous prime is 123946129. The next prime is 123946187. The reversal of 123946134 is 431649321.

It is a junction number, because it is equal to n+sod(n) for n = 123946095 and 123946104.

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, 794449 + ... + 794604.

It is an arithmetic number, because the mean of its divisors is an integer number (16685067).

Almost surely, 2^123946134 is an apocalyptic number.

123946134 is an abundant number, since it is smaller than the sum of its proper divisors (143014938).

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

123946134 is a wasteful number, since it uses less digits than its factorization.

123946134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589071.

The product of its digits is 15552, while the sum is 33.

The square root of 123946134 is about 11133.1098081354. The cubic root of 123946134 is about 498.5908778133.

It can be divided in two parts, 12394 and 6134, that added together give a triangular number (18528 = T₁₉₂).

The spelling of 123946134 in words is "one hundred twenty-three million, nine hundred forty-six thousand, one hundred thirty-four".