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121052011 = 595233923
BaseRepresentation
bin1110011011100…
…01101101101011
322102210002010211
413031301231223
5221442131021
620002321551
72666632213
oct715615553
9272702124
10121052011
1162370193
12346592b7
131c104a12
1412111243
15a9623e1
hex7371b6b

121052011 has 8 divisors (see below), whose sum is σ = 123370560. Its totient is φ = 118742472.

The previous prime is 121051979. The next prime is 121052069. The reversal of 121052011 is 110250121.

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 121052011 - 25 = 121051979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121051982 and 121052000.

It is not an unprimeable number, because it can be changed into a prime (121052081) 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 7 ways as a sum of consecutive naturals, for example, 28896 + ... + 32818.

It is an arithmetic number, because the mean of its divisors is an integer number (15421320).

Almost surely, 2121052011 is an apocalyptic number.

121052011 is a deficient number, since it is larger than the sum of its proper divisors (2318549).

121052011 is an equidigital number, since it uses as much as digits as its factorization.

121052011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 121052011 is about 11002.3638823664. The cubic root of 121052011 is about 494.6796022047.

The spelling of 121052011 in words is "one hundred twenty-one million, fifty-two thousand, eleven".

Divisors: 1 59 523 3923 30857 231457 2051729 121052011