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1241912101 = 17109670217
BaseRepresentation
bin100101000000110…
…0001001100100101
310012112212200010111
41022001201030211
510020412141401
6323122253021
742530035663
oct11201411445
93175780114
101241912101
11588032a41
122a7ab7171
1316a3aa441
14bad1dc33
1574068e51
hex4a061325

1241912101 has 8 divisors (see below), whose sum is σ = 1327031640. Its totient is φ = 1158133248.

The previous prime is 1241912093. The next prime is 1241912137. The reversal of 1241912101 is 1012191421.

It can be written as a sum of positive squares in 4 ways, for example, as 137945025 + 1103967076 = 11745^2 + 33226^2 .

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 1241912101 - 23 = 1241912093 is a prime.

It is a super-2 number, since 2×12419121012 = 3084691333220468402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241910101) 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, 333256 + ... + 336961.

It is an arithmetic number, because the mean of its divisors is an integer number (165878955).

Almost surely, 21241912101 is an apocalyptic number.

It is an amenable number.

1241912101 is a deficient number, since it is larger than the sum of its proper divisors (85119539).

1241912101 is a wasteful number, since it uses less digits than its factorization.

1241912101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670343.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1241912101 is about 35240.7732747169. The cubic root of 1241912101 is about 1074.8890027094.

The spelling of 1241912101 in words is "one billion, two hundred forty-one million, nine hundred twelve thousand, one hundred one".

Divisors: 1 17 109 1853 670217 11393689 73053653 1241912101