120213775 has 12 divisors (see below), whose sum is σ = 162616824. Its totient is φ = 87428000.

The previous prime is 120213773. The next prime is 120213803. The reversal of 120213775 is 577312021.

It is not a de Polignac number, because 120213775 - 2¹ = 120213773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120213773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218296 + ... + 218845.

It is an arithmetic number, because the mean of its divisors is an integer number (13551402).

Almost surely, 2^120213775 is an apocalyptic number.

120213775 is a deficient number, since it is larger than the sum of its proper divisors (42403049).

120213775 is a wasteful number, since it uses less digits than its factorization.

120213775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437162 (or 437157 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 120213775 is about 10964.2042574917. The cubic root of 120213775 is about 493.5351380469.

Adding to 120213775 its reverse (577312021), we get a palindrome (697525796).

The spelling of 120213775 in words is "one hundred twenty million, two hundred thirteen thousand, seven hundred seventy-five".