Search a number
BaseRepresentation
bin1110010100100…
…00111010010110
322101001022001112
413022100322112
5221223144342
615530455022
72656045541
oct712207226
9271038045
10120131222
11618a1402
1234294472
131bb71883
1411d51858
15a82e682
hex7290e96

120131222 has 4 divisors (see below), whose sum is σ = 180196836. Its totient is φ = 60065610.

The previous prime is 120131213. The next prime is 120131227. The reversal of 120131222 is 222131021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 120131197 and 120131206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120131227) 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 as a sum of consecutive naturals, namely, 30032804 + ... + 30032807.

It is an arithmetic number, because the mean of its divisors is an integer number (45049209).

Almost surely, 2120131222 is an apocalyptic number.

120131222 is a deficient number, since it is larger than the sum of its proper divisors (60065614).

120131222 is an equidigital number, since it uses as much as digits as its factorization.

120131222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60065613.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120131222 is about 10960.4389510640. The cubic root of 120131222 is about 493.4221389720.

Adding to 120131222 its reverse (222131021), we get a palindrome (342262243).

It can be divided in two parts, 1201 and 31222, that added together give a palindrome (32423).

The spelling of 120131222 in words is "one hundred twenty million, one hundred thirty-one thousand, two hundred twenty-two".

Divisors: 1 2 60065611 120131222