Search a number
-
+
120919201 = 139301477
BaseRepresentation
bin1110011010100…
…01010010100001
322102112022221221
413031101102201
5221423403301
615555415041
72665540054
oct715212241
9272468857
10120919201
116228a427
12345b4481
131c089430
14120b8a9b
15a937da1
hex73514a1

120919201 has 4 divisors (see below), whose sum is σ = 130220692. Its totient is φ = 111617712.

The previous prime is 120919193. The next prime is 120919213. The reversal of 120919201 is 102919021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22810176 + 98109025 = 4776^2 + 9905^2 .

It is a cyclic number.

It is not a de Polignac number, because 120919201 - 23 = 120919193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120919231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4650726 + ... + 4650751.

It is an arithmetic number, because the mean of its divisors is an integer number (32555173).

Almost surely, 2120919201 is an apocalyptic number.

It is an amenable number.

120919201 is a deficient number, since it is larger than the sum of its proper divisors (9301491).

120919201 is an equidigital number, since it uses as much as digits as its factorization.

120919201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301490.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 120919201 is about 10996.3267048592. The cubic root of 120919201 is about 494.4986264442.

The spelling of 120919201 in words is "one hundred twenty million, nine hundred nineteen thousand, two hundred one".

Divisors: 1 13 9301477 120919201