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120200201 = 11101108191
BaseRepresentation
bin1110010101000…
…01110000001001
322101011210200022
413022201300021
5221232401301
615532150225
72656453622
oct712416011
9271153608
10120200201
1161939210
1234308375
131bb970a4
1411d6ca49
15a844d1b
hex72a1c09

120200201 has 8 divisors (see below), whose sum is σ = 132427008. Its totient is φ = 108190000.

The previous prime is 120200191. The next prime is 120200209. The reversal of 120200201 is 102002021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120200201 - 218 = 119938057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120200209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52985 + ... + 55206.

It is an arithmetic number, because the mean of its divisors is an integer number (16553376).

Almost surely, 2120200201 is an apocalyptic number.

120200201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120200201 is a deficient number, since it is larger than the sum of its proper divisors (12226807).

120200201 is a wasteful number, since it uses less digits than its factorization.

120200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108303.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 120200201 is about 10963.5852256459. The cubic root of 120200201 is about 493.5165614234.

Adding to 120200201 its reverse (102002021), we get a palindrome (222202222).

It can be divided in two parts, 1 and 20200201, that added together give a palindrome (20200202).

The spelling of 120200201 in words is "one hundred twenty million, two hundred thousand, two hundred one".

Divisors: 1 11 101 1111 108191 1190101 10927291 120200201