120005404 has 6 divisors (see below), whose sum is σ = 210009464. Its totient is φ = 60002700.

The previous prime is 120005399. The next prime is 120005437. The reversal of 120005404 is 404500021.

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 as a sum of consecutive naturals, namely, 15000672 + ... + 15000679.

Almost surely, 2^120005404 is an apocalyptic number.

It is an amenable number.

120005404 is a deficient number, since it is larger than the sum of its proper divisors (90004060).

120005404 is a wasteful number, since it uses less digits than its factorization.

120005404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30001355 (or 30001353 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 120005404 is about 10954.6978050515. The cubic root of 120005404 is about 493.2498188716.

Adding to 120005404 its reverse (404500021), we get a palindrome (524505425).

It can be divided in two parts, 120005 and 404, that added together give a square (120409 = 347²).

The spelling of 120005404 in words is "one hundred twenty million, five thousand, four hundred four".