120213361 has 12 divisors (see below), whose sum is σ = 128218692. Its totient is φ = 112679424.

The previous prime is 120213347. The next prime is 120213367. The reversal of 120213361 is 163312021.

It can be written as a sum of positive squares in 2 ways, for example, as 46785600 + 73427761 = 6840^2 + 8569^2 .

It is not a de Polignac number, because 120213361 - 2¹¹ = 120211313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120213367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33301 + ... + 36733.

It is an arithmetic number, because the mean of its divisors is an integer number (10684891).

Almost surely, 2^120213361 is an apocalyptic number.

It is an amenable number.

120213361 is a deficient number, since it is larger than the sum of its proper divisors (8005331).

120213361 is an equidigital number, since it uses as much as digits as its factorization.

120213361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568 (or 3549 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 120213361 is about 10964.1853778564. The cubic root of 120213361 is about 493.5345714901.

Adding to 120213361 its reverse (163312021), we get a palindrome (283525382).

The spelling of 120213361 in words is "one hundred twenty million, two hundred thirteen thousand, three hundred sixty-one".