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120230227 = 1367223619
BaseRepresentation
bin1110010101010…
…01000101010011
322101020022212101
413022221011103
5221234331402
615532541231
72656640305
oct712510523
9271208771
10120230227
1161959827
1234321817
131bba7960
1411d79975
15a84db87
hex72a9153

120230227 has 16 divisors (see below), whose sum is σ = 132213760. Its totient is φ = 108659232.

The previous prime is 120230219. The next prime is 120230237. The reversal of 120230227 is 722032021.

It is a cyclic number.

It is not a de Polignac number, because 120230227 - 23 = 120230219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120230237) 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 15 ways as a sum of consecutive naturals, for example, 193924 + ... + 194542.

It is an arithmetic number, because the mean of its divisors is an integer number (8263360).

Almost surely, 2120230227 is an apocalyptic number.

120230227 is a deficient number, since it is larger than the sum of its proper divisors (11983533).

120230227 is a wasteful number, since it uses less digits than its factorization.

120230227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 120230227 is about 10964.9544914696. The cubic root of 120230227 is about 493.5576514672.

Adding to 120230227 its reverse (722032021), we get a palindrome (842262248).

The spelling of 120230227 in words is "one hundred twenty million, two hundred thirty thousand, two hundred twenty-seven".

Divisors: 1 13 67 223 619 871 2899 8047 14941 41473 138037 194233 539149 1794481 9248479 120230227