120144404 has 6 divisors (see below), whose sum is σ = 210252714. Its totient is φ = 60072200.

The previous prime is 120144383. The next prime is 120144421. The reversal of 120144404 is 404441021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 40934404 = 8900^2 + 6398^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15018047 + ... + 15018054.

It is an arithmetic number, because the mean of its divisors is an integer number (35042119).

Almost surely, 2^120144404 is an apocalyptic number.

It is an amenable number.

120144404 is a deficient number, since it is larger than the sum of its proper divisors (90108310).

120144404 is a wasteful number, since it uses less digits than its factorization.

120144404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30036105 (or 30036103 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 120144404 is about 10961.0402790976. The cubic root of 120144404 is about 493.4401860504.

Adding to 120144404 its reverse (404441021), we get a palindrome (524585425).

The spelling of 120144404 in words is "one hundred twenty million, one hundred forty-four thousand, four hundred four".