120520412 has 12 divisors (see below), whose sum is σ = 223317360. Its totient is φ = 56715456.

The previous prime is 120520409. The next prime is 120520423. The reversal of 120520412 is 214025021.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886112 + ... + 886247.

It is an arithmetic number, because the mean of its divisors is an integer number (18609780).

Almost surely, 2^120520412 is an apocalyptic number.

It is an amenable number.

120520412 is a deficient number, since it is larger than the sum of its proper divisors (102796948).

120520412 is a wasteful number, since it uses less digits than its factorization.

120520412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772380 (or 1772378 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 120520412 is about 10978.1789018033. The cubic root of 120520412 is about 493.9544123547.

Adding to 120520412 its reverse (214025021), we get a palindrome (334545433).

The spelling of 120520412 in words is "one hundred twenty million, five hundred twenty thousand, four hundred twelve".