123141042 has 24 divisors (see below), whose sum is σ = 270790416. Its totient is φ = 40433976.

The previous prime is 123141019. The next prime is 123141089. The reversal of 123141042 is 240141321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49848 + ... + 52259.

It is an arithmetic number, because the mean of its divisors is an integer number (11282934).

Almost surely, 2^123141042 is an apocalyptic number.

123141042 is an abundant number, since it is smaller than the sum of its proper divisors (147649374).

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

123141042 is a wasteful number, since it uses less digits than its factorization.

123141042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102182 (or 102179 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 123141042 is about 11096.8933490414. The cubic root of 123141042 is about 497.5089997783.

Adding to 123141042 its reverse (240141321), we get a palindrome (363282363).

The spelling of 123141042 in words is "one hundred twenty-three million, one hundred forty-one thousand, forty-two".