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124223034121 = 262153473857
BaseRepresentation
bin111001110110001000…
…1010001001100001001
3102212122022112222020121
41303230101101030021
54013402044042441
6133022310423241
711655235240144
oct1635421211411
9385568488217
10124223034121
114875673416a
12200aa061b21
13b939099524
14602615705b
153370ad4dd1
hex1cec451309

124223034121 has 4 divisors (see below), whose sum is σ = 124223770132. Its totient is φ = 124222298112.

The previous prime is 124223034097. The next prime is 124223034161. The reversal of 124223034121 is 121430322421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 106536960000 + 17686074121 = 326400^2 + 132989^2 .

It is a cyclic number.

It is not a de Polignac number, because 124223034121 - 27 = 124223033993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124223034161) 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, 25225 + ... + 499081.

It is an arithmetic number, because the mean of its divisors is an integer number (31055942533).

Almost surely, 2124223034121 is an apocalyptic number.

It is an amenable number.

124223034121 is a deficient number, since it is larger than the sum of its proper divisors (736011).

124223034121 is an equidigital number, since it uses as much as digits as its factorization.

124223034121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736010.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 124223034121 its reverse (121430322421), we get a palindrome (245653356542).

The spelling of 124223034121 in words is "one hundred twenty-four billion, two hundred twenty-three million, thirty-four thousand, one hundred twenty-one".

Divisors: 1 262153 473857 124223034121