123401104 has 20 divisors (see below), whose sum is σ = 239414364. Its totient is φ = 61616768.

The previous prime is 123401101. The next prime is 123401149. The reversal of 123401104 is 401104321.

It can be written as a sum of positive squares in 2 ways, for example, as 72250000 + 51151104 = 8500^2 + 7152^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (123401101) 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, 7914 + ... + 17590.

Almost surely, 2^123401104 is an apocalyptic number.

It is an amenable number.

123401104 is a deficient number, since it is larger than the sum of its proper divisors (116013260).

123401104 is an equidigital number, since it uses as much as digits as its factorization.

123401104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10482 (or 10476 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 123401104 is about 11108.6049529183. The cubic root of 123401104 is about 497.8589838521.

Adding to 123401104 its reverse (401104321), we get a palindrome (524505425).

The spelling of 123401104 in words is "one hundred twenty-three million, four hundred one thousand, one hundred four".