Search a number
-
+
122155041 = 340718347
BaseRepresentation
bin1110100011111…
…11000000100001
322111212010012210
413101333000201
5222232430131
620042112333
73012205101
oct721770041
9274763183
10122155041
1162a53988
1234aab6a9
131c3ccab8
141231b201
15aace146
hex747f021

122155041 has 4 divisors (see below), whose sum is σ = 162873392. Its totient is φ = 81436692.

The previous prime is 122155037. The next prime is 122155043. The reversal of 122155041 is 140551221.

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 not a de Polignac number, because 122155041 - 22 = 122155037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122154999 and 122155017.

It is not an unprimeable number, because it can be changed into a prime (122155043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20359171 + ... + 20359176.

It is an arithmetic number, because the mean of its divisors is an integer number (40718348).

Almost surely, 2122155041 is an apocalyptic number.

It is an amenable number.

122155041 is a deficient number, since it is larger than the sum of its proper divisors (40718351).

122155041 is an equidigital number, since it uses as much as digits as its factorization.

122155041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40718350.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 122155041 is about 11052.3771651170. The cubic root of 122155041 is about 496.1775739167.

The spelling of 122155041 in words is "one hundred twenty-two million, one hundred fifty-five thousand, forty-one".

Divisors: 1 3 40718347 122155041