123254404 has 81 divisors (see below), whose sum is σ = 276223311. Its totient is φ = 47960640.

The previous prime is 123254399. The next prime is 123254423. The reversal of 123254404 is 404452321.

It is a happy number.

The square root of 123254404 is 11102.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 86676100 + 36578304 = 9310^2 + 6048^2 .

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 26 ways as a sum of consecutive naturals, for example, 2020534 + ... + 2020594.

Almost surely, 2^123254404 is an apocalyptic number.

123254404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123254404 is the 11102-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123254404

123254404 is an abundant number, since it is smaller than the sum of its proper divisors (152968907).

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

123254404 is a wasteful number, since it uses less digits than its factorization.

123254404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The cubic root of 123254404 is about 497.6616196700.

Multiplying 123254404 by its sum of digits (25), we get a square (3081360100 = 55510²).

It can be divided in two parts, 12 and 3254404, that added together give a square (3254416 = 1804²).

The spelling of 123254404 in words is "one hundred twenty-three million, two hundred fifty-four thousand, four hundred four".