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122385841 = 1011211741
BaseRepresentation
bin1110100101101…
…11010110110001
322112021211210221
413102313112301
5222312321331
620051053041
73014156014
oct722672661
9275254727
10122385841
11630a1326
1234ba1181
131c480b76
141237b37b
15ab27711
hex74b75b1

122385841 has 4 divisors (see below), whose sum is σ = 123597684. Its totient is φ = 121174000.

The previous prime is 122385827. The next prime is 122385847. The reversal of 122385841 is 148583221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102090816 + 20295025 = 10104^2 + 4505^2 .

It is a cyclic number.

It is not a de Polignac number, because 122385841 - 213 = 122377649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122385797 and 122385806.

It is not an unprimeable number, because it can be changed into a prime (122385847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605770 + ... + 605971.

It is an arithmetic number, because the mean of its divisors is an integer number (30899421).

Almost surely, 2122385841 is an apocalyptic number.

It is an amenable number.

122385841 is a deficient number, since it is larger than the sum of its proper divisors (1211843).

122385841 is a wasteful number, since it uses less digits than its factorization.

122385841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211842.

The product of its digits is 15360, while the sum is 34.

The square root of 122385841 is about 11062.8134305881. The cubic root of 122385841 is about 496.4898703102.

The spelling of 122385841 in words is "one hundred twenty-two million, three hundred eighty-five thousand, eight hundred forty-one".

Divisors: 1 101 1211741 122385841