120405704 has 32 divisors (see below), whose sum is σ = 230610240. Its totient is φ = 58920000.

The previous prime is 120405683. The next prime is 120405731. The reversal of 120405704 is 407504021.

It is a self number, because there is not a number n which added to its sum of digits gives 120405704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121997 + ... + 122979.

It is an arithmetic number, because the mean of its divisors is an integer number (7206570).

Almost surely, 2^120405704 is an apocalyptic number.

It is an amenable number.

120405704 is a deficient number, since it is larger than the sum of its proper divisors (110204536).

120405704 is a wasteful number, since it uses less digits than its factorization.

120405704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 120405704 is about 10972.9532943506. The cubic root of 120405704 is about 493.7976518876.

Adding to 120405704 its reverse (407504021), we get a palindrome (527909725).

The spelling of 120405704 in words is "one hundred twenty million, four hundred five thousand, seven hundred four".