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121605341 = 1113850387
BaseRepresentation
bin1110011111110…
…00110011011101
322110211012011112
413033320303131
5222112332331
620022231405
73004425344
oct717706335
9273735145
10121605341
1162708990
1234885565
131c269830
1412216b5b
15aa2132b
hex73f8cdd

121605341 has 8 divisors (see below), whose sum is σ = 142865184. Its totient is φ = 102046320.

The previous prime is 121605331. The next prime is 121605353. The reversal of 121605341 is 143506121.

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-121605341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121605331) 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, 425051 + ... + 425336.

It is an arithmetic number, because the mean of its divisors is an integer number (17858148).

Almost surely, 2121605341 is an apocalyptic number.

121605341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121605341 is a deficient number, since it is larger than the sum of its proper divisors (21259843).

121605341 is a wasteful number, since it uses less digits than its factorization.

121605341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850411.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 121605341 is about 11027.4811720538. The cubic root of 121605341 is about 495.4321852123.

The spelling of 121605341 in words is "one hundred twenty-one million, six hundred five thousand, three hundred forty-one".

Divisors: 1 11 13 143 850387 9354257 11055031 121605341