120666404 has 6 divisors (see below), whose sum is σ = 211166214. Its totient is φ = 60333200.

The previous prime is 120666341. The next prime is 120666421. The reversal of 120666404 is 404666021.

It can be written as a sum of positive squares in only one way, i.e., 116856100 + 3810304 = 10810^2 + 1952^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15083297 + ... + 15083304.

It is an arithmetic number, because the mean of its divisors is an integer number (35194369).

Almost surely, 2^120666404 is an apocalyptic number.

It is an amenable number.

120666404 is a deficient number, since it is larger than the sum of its proper divisors (90499810).

120666404 is a wasteful number, since it uses less digits than its factorization.

120666404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30166605 (or 30166603 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 120666404 is about 10984.8260796428. The cubic root of 120666404 is about 494.1537818857.

The spelling of 120666404 in words is "one hundred twenty million, six hundred sixty-six thousand, four hundred four".