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121059157 = 548322079
BaseRepresentation
bin1110011011100…
…11011101010101
322102210102221111
413031303131111
5221442343112
620002415021
72666662102
oct715633525
9272712844
10121059157
116237559a
1234661471
131c10804b
1412113aa9
15a9645a7
hex7373755

121059157 has 4 divisors (see below), whose sum is σ = 121086720. Its totient is φ = 121031596.

The previous prime is 121059149. The next prime is 121059167. The reversal of 121059157 is 751950121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121059157 - 23 = 121059149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121059167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5557 + ... + 16522.

It is an arithmetic number, because the mean of its divisors is an integer number (30271680).

Almost surely, 2121059157 is an apocalyptic number.

It is an amenable number.

121059157 is a deficient number, since it is larger than the sum of its proper divisors (27563).

121059157 is an equidigital number, since it uses as much as digits as its factorization.

121059157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27562.

The product of its (nonzero) digits is 3150, while the sum is 31.

The square root of 121059157 is about 11002.6886259677. The cubic root of 121059157 is about 494.6893360671.

The spelling of 121059157 in words is "one hundred twenty-one million, fifty-nine thousand, one hundred fifty-seven".

Divisors: 1 5483 22079 121059157