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1201112103 = 3974127533
BaseRepresentation
bin100011110010111…
…1000010000100111
310002201002211001110
41013211320100213
54424441041403
6315104000103
741523166362
oct10745702047
93081084043
101201112103
11566aa6334
12296300033
13161ac3729
14b573d0d9
15706aa103
hex47978427

1201112103 has 8 divisors (see below), whose sum is σ = 1617993328. Its totient is φ = 792486144.

The previous prime is 1201112089. The next prime is 1201112131. The reversal of 1201112103 is 3012111021.

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

It is not a de Polignac number, because 1201112103 - 25 = 1201112071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201112153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2063476 + ... + 2064057.

It is an arithmetic number, because the mean of its divisors is an integer number (202249166).

Almost surely, 21201112103 is an apocalyptic number.

1201112103 is a deficient number, since it is larger than the sum of its proper divisors (416881225).

1201112103 is an equidigital number, since it uses as much as digits as its factorization.

1201112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127633.

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

The square root of 1201112103 is about 34657.0642582432. The cubic root of 1201112103 is about 1062.9867416538.

Adding to 1201112103 its reverse (3012111021), we get a palindrome (4213223124).

The spelling of 1201112103 in words is "one billion, two hundred one million, one hundred twelve thousand, one hundred three".

Divisors: 1 3 97 291 4127533 12382599 400370701 1201112103