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1361062121 = 17938319853
BaseRepresentation
bin101000100100000…
…0010100011101001
310111212002010020012
41101020002203221
510241412441441
6343020141305
745504560066
oct12110024351
93455063205
101361062121
11639314131
1231b997835
13188c97503
14cca97c6d
157e7529eb
hex512028e9

1361062121 has 8 divisors (see below), whose sum is σ = 1372308480. Its totient is φ = 1349856592.

The previous prime is 1361062111. The next prime is 1361062123. The reversal of 1361062121 is 1212601631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1361062121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361062123) 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, 58631 + ... + 78483.

It is an arithmetic number, because the mean of its divisors is an integer number (171538560).

Almost surely, 21361062121 is an apocalyptic number.

It is an amenable number.

1361062121 is a deficient number, since it is larger than the sum of its proper divisors (11246359).

1361062121 is a wasteful number, since it uses less digits than its factorization.

1361062121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20415.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1361062121 is about 36892.5754183684. The cubic root of 1361062121 is about 1108.2199972500.

Adding to 1361062121 its reverse (1212601631), we get a palindrome (2573663752).

The spelling of 1361062121 in words is "one billion, three hundred sixty-one million, sixty-two thousand, one hundred twenty-one".

Divisors: 1 179 383 19853 68557 3553687 7603699 1361062121