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121106151 = 334485413
BaseRepresentation
bin1110011011111…
…10111011100111
322102212211102000
413031332323213
5222000344101
620003420343
73000246105
oct715767347
9272784360
10121106151
11623a7931
12346846b3
131c12355a
1412126c75
15a973486
hex737eee7

121106151 has 8 divisors (see below), whose sum is σ = 179416560. Its totient is φ = 80737416.

The previous prime is 121106129. The next prime is 121106159. The reversal of 121106151 is 151601121.

It is a happy number.

It is not a de Polignac number, because 121106151 - 27 = 121106023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121106159) 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, 2242680 + ... + 2242733.

It is an arithmetic number, because the mean of its divisors is an integer number (22427070).

Almost surely, 2121106151 is an apocalyptic number.

121106151 is a deficient number, since it is larger than the sum of its proper divisors (58310409).

121106151 is an equidigital number, since it uses as much as digits as its factorization.

121106151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485422 (or 4485416 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

The square root of 121106151 is about 11004.8239876883. The cubic root of 121106151 is about 494.7533389996.

Adding to 121106151 its reverse (151601121), we get a palindrome (272707272).

The spelling of 121106151 in words is "one hundred twenty-one million, one hundred six thousand, one hundred fifty-one".

Divisors: 1 3 9 27 4485413 13456239 40368717 121106151