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121136071 = 765326501
BaseRepresentation
bin1110011100001…
…10001111000111
322102221100110011
413032012033013
5222002323241
620004211051
73000432250
oct716061707
9272840404
10121136071
1162418361
1234699a87
131c134064
1412133b27
15a97c281
hex73863c7

121136071 has 8 divisors (see below), whose sum is σ = 138658464. Its totient is φ = 103668000.

The previous prime is 121136051. The next prime is 121136107. The reversal of 121136071 is 170631121.

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 121136071 - 27 = 121135943 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121136051) 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, 8680 + ... + 17821.

It is an arithmetic number, because the mean of its divisors is an integer number (17332308).

Almost surely, 2121136071 is an apocalyptic number.

121136071 is a deficient number, since it is larger than the sum of its proper divisors (17522393).

121136071 is an equidigital number, since it uses as much as digits as its factorization.

121136071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27161.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 121136071 is about 11006.1833075776. The cubic root of 121136071 is about 494.7940795700.

Adding to 121136071 its reverse (170631121), we get a palindrome (291767192).

The spelling of 121136071 in words is "one hundred twenty-one million, one hundred thirty-six thousand, seventy-one".

Divisors: 1 7 653 4571 26501 185507 17305153 121136071