123411142 has 8 divisors (see below), whose sum is σ = 186755256. Its totient is φ = 61159392.

The previous prime is 123411139. The next prime is 123411149. The reversal of 123411142 is 241114321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123411149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272808 + ... + 273259.

It is an arithmetic number, because the mean of its divisors is an integer number (23344407).

Almost surely, 2^123411142 is an apocalyptic number.

123411142 is a deficient number, since it is larger than the sum of its proper divisors (63344114).

123411142 is a wasteful number, since it uses less digits than its factorization.

123411142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546182.

The product of its digits is 192, while the sum is 19.

The square root of 123411142 is about 11109.0567556386. The cubic root of 123411142 is about 497.8724828480.

Adding to 123411142 its reverse (241114321), we get a palindrome (364525463).

The spelling of 123411142 in words is "one hundred twenty-three million, four hundred eleven thousand, one hundred forty-two".