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120201103 = 11103277383
BaseRepresentation
bin1110010101000…
…01111110001111
322101011211220201
413022201332033
5221232413403
615532154331
72656456351
oct712417617
9271154821
10120201103
1161939960
12343089a7
131bb97619
1411d6d0d1
15a84521d
hex72a1f8f

120201103 has 16 divisors (see below), whose sum is σ = 133226496. Its totient is φ = 107540640.

The previous prime is 120201091. The next prime is 120201119. The reversal of 120201103 is 301102021.

It is a cyclic number.

It is not a de Polignac number, because 120201103 - 25 = 120201071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120201103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313650 + ... + 314032.

It is an arithmetic number, because the mean of its divisors is an integer number (8326656).

Almost surely, 2120201103 is an apocalyptic number.

120201103 is a deficient number, since it is larger than the sum of its proper divisors (13025393).

120201103 is a wasteful number, since it uses less digits than its factorization.

120201103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 120201103 is about 10963.6263617473. The cubic root of 120201103 is about 493.5177958939.

Adding to 120201103 its reverse (301102021), we get a palindrome (421303124).

The spelling of 120201103 in words is "one hundred twenty million, two hundred one thousand, one hundred three".

Divisors: 1 11 103 277 383 1133 3047 4213 28531 39449 106091 313841 433939 1167001 10927373 120201103