120305604 has 12 divisors (see below), whose sum is σ = 280713104. Its totient is φ = 40101864.

The previous prime is 120305561. The next prime is 120305623. The reversal of 120305604 is 406503021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×120305604³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5012722 + ... + 5012745.

Almost surely, 2^120305604 is an apocalyptic number.

It is an amenable number.

120305604 is an abundant number, since it is smaller than the sum of its proper divisors (160407500).

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

120305604 is a wasteful number, since it uses less digits than its factorization.

120305604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10025474 (or 10025472 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 120305604 is about 10968.3911308815. The cubic root of 120305604 is about 493.6607734082.

Adding to 120305604 its reverse (406503021), we get a palindrome (526808625).

The spelling of 120305604 in words is "one hundred twenty million, three hundred five thousand, six hundred four".