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121122141 = 375767721
BaseRepresentation
bin1110011100000…
…10110101011101
322102220122100020
413032002311131
5222001402031
620004022353
73000343530
oct716026535
9272818306
10121122141
1162408948
12346919b9
131c12a90a
141212ca17
15a978096
hex7382d5d

121122141 has 8 divisors (see below), whose sum is σ = 184567104. Its totient is φ = 69212640.

The previous prime is 121122139. The next prime is 121122151. The reversal of 121122141 is 141221121.

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

It is not a de Polignac number, because 121122141 - 21 = 121122139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121122141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122151) 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, 2883840 + ... + 2883881.

It is an arithmetic number, because the mean of its divisors is an integer number (23070888).

Almost surely, 2121122141 is an apocalyptic number.

It is an amenable number.

121122141 is a deficient number, since it is larger than the sum of its proper divisors (63444963).

121122141 is an equidigital number, since it uses as much as digits as its factorization.

121122141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5767731.

The product of its digits is 32, while the sum is 15.

The square root of 121122141 is about 11005.5504632890. The cubic root of 121122141 is about 494.7751126191.

Adding to 121122141 its reverse (141221121), we get a palindrome (262343262).

The spelling of 121122141 in words is "one hundred twenty-one million, one hundred twenty-two thousand, one hundred forty-one".

Divisors: 1 3 7 21 5767721 17303163 40374047 121122141