Search a number
-
+
121052127 = 375764387
BaseRepresentation
bin1110011011100…
…01101111011111
322102210002022010
413031301233133
5221442132002
620002322303
72666632440
oct715615737
9272702263
10121052127
1162370289
1234659393
131c104aa1
14121112c7
15a96246c
hex7371bdf

121052127 has 8 divisors (see below), whose sum is σ = 184460416. Its totient is φ = 69172632.

The previous prime is 121052081. The next prime is 121052137. The reversal of 121052127 is 721250121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121052127 - 211 = 121050079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5764387 = 121052127 / (1 + 2 + 1 + 0 + 5 + 2 + 1 + 2 + 7).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121052137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882173 + ... + 2882214.

It is an arithmetic number, because the mean of its divisors is an integer number (23057552).

Almost surely, 2121052127 is an apocalyptic number.

121052127 is a deficient number, since it is larger than the sum of its proper divisors (63408289).

121052127 is an equidigital number, since it uses as much as digits as its factorization.

121052127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5764397.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 121052127 is about 11002.3691539595. The cubic root of 121052127 is about 494.6797602161.

The spelling of 121052127 in words is "one hundred twenty-one million, fifty-two thousand, one hundred twenty-seven".

Divisors: 1 3 7 21 5764387 17293161 40350709 121052127