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121052125 = 538271171
BaseRepresentation
bin1110011011100…
…01101111011101
322102210002022001
413031301233131
5221442132000
620002322301
72666632435
oct715615735
9272702261
10121052125
1162370287
1234659391
131c104a9c
14121112c5
15a96246a
hex7371bdd

121052125 has 16 divisors (see below), whose sum is σ = 151384896. Its totient is φ = 96642000.

The previous prime is 121052081. The next prime is 121052137. The reversal of 121052125 is 521250121.

It is not a de Polignac number, because 121052125 - 29 = 121051613 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102790 + ... + 103960.

It is an arithmetic number, because the mean of its divisors is an integer number (9461556).

Almost surely, 2121052125 is an apocalyptic number.

It is an amenable number.

121052125 is a deficient number, since it is larger than the sum of its proper divisors (30332771).

121052125 is an equidigital number, since it uses as much as digits as its factorization.

121052125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013 (or 2003 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 121052125 is about 11002.3690630700. The cubic root of 121052125 is about 494.6797574918.

It can be divided in two parts, 1210 and 52125, that added together give a palindrome (53335).

The spelling of 121052125 in words is "one hundred twenty-one million, fifty-two thousand, one hundred twenty-five".

Divisors: 1 5 25 125 827 1171 4135 5855 20675 29275 103375 146375 968417 4842085 24210425 121052125