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122020173043 = 1071140375449
BaseRepresentation
bin111000110100011111…
…0000001010011110011
3102122221210111000221021
41301220332001103303
53444344131014133
6132015535440311
711546526233506
oct1615076012363
9378853430837
10122020173043
114782623001a
121b794386097
13b6778a5832
145c9777313d
15329250052d
hex1c68f814f3

122020173043 has 4 divisors (see below), whose sum is σ = 123160548600. Its totient is φ = 120879797488.

The previous prime is 122020173013. The next prime is 122020173139. The reversal of 122020173043 is 340371020221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122020173043 - 217 = 122020041971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122020172999 and 122020173017.

It is not an unprimeable number, because it can be changed into a prime (122020173013) 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 3 ways as a sum of consecutive naturals, for example, 570187618 + ... + 570187831.

It is an arithmetic number, because the mean of its divisors is an integer number (30790137150).

Almost surely, 2122020173043 is an apocalyptic number.

122020173043 is a deficient number, since it is larger than the sum of its proper divisors (1140375557).

122020173043 is a wasteful number, since it uses less digits than its factorization.

122020173043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140375556.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 122020173043 its reverse (340371020221), we get a palindrome (462391193264).

The spelling of 122020173043 in words is "one hundred twenty-two billion, twenty million, one hundred seventy-three thousand, forty-three".

Divisors: 1 107 1140375449 122020173043