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1241123244221 = 72973433193423
BaseRepresentation
bin10010000011111000101…
…101011100100010111101
311101122120000100100212202
4102003320231130202331
5130313310022303341
62350055242241245
7155445122340230
oct22037055344275
94348500310782
101241123244221
114393a2796143
121806557b6225
1390064298c03
14440dbd65417
15224400ea79b
hex120f8b5c8bd

1241123244221 has 32 divisors (see below), whose sum is σ = 1490881244160. Its totient is φ = 1010721245184.

The previous prime is 1241123244187. The next prime is 1241123244233. The reversal of 1241123244221 is 1224423211421.

It is not a de Polignac number, because 1241123244221 - 26 = 1241123244157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241123244241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6319916 + ... + 6513338.

It is an arithmetic number, because the mean of its divisors is an integer number (46590038880).

Almost surely, 21241123244221 is an apocalyptic number.

It is an amenable number.

1241123244221 is a deficient number, since it is larger than the sum of its proper divisors (249757999939).

1241123244221 is a wasteful number, since it uses less digits than its factorization.

1241123244221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193965.

The product of its digits is 6144, while the sum is 29.

Adding to 1241123244221 its reverse (1224423211421), we get a palindrome (2465546455642).

The spelling of 1241123244221 in words is "one trillion, two hundred forty-one billion, one hundred twenty-three million, two hundred forty-four thousand, two hundred twenty-one".

Divisors: 1 7 29 73 203 433 511 2117 3031 12557 14819 31609 87899 193423 221263 916661 1353961 5609267 6416627 14119879 39264869 83752159 98839153 409476491 586265113 2428812611 2866335437 6113907607 17001688277 42797353249 177303320603 1241123244221