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122020122 = 2372905241
BaseRepresentation
bin1110100010111…
…10000100011010
322111121021010210
413101132010122
5222214120442
620035151550
73011103540
oct721360432
9274537123
10122020122
1162971584
1234a455b6
131c383573
14122c3d90
15aaa419c
hex745e11a

122020122 has 16 divisors (see below), whose sum is σ = 278903232. Its totient is φ = 34862880.

The previous prime is 122020097. The next prime is 122020127. The reversal of 122020122 is 221020221.

It is a junction number, because it is equal to n+sod(n) for n = 122020098 and 122020107.

It is not an unprimeable number, because it can be changed into a prime (122020127) 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 7 ways as a sum of consecutive naturals, for example, 1452579 + ... + 1452662.

It is an arithmetic number, because the mean of its divisors is an integer number (17431452).

Almost surely, 2122020122 is an apocalyptic number.

122020122 is an abundant number, since it is smaller than the sum of its proper divisors (156883110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122020122 is a wasteful number, since it uses less digits than its factorization.

122020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905253.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 122020122 is about 11046.2718597724. The cubic root of 122020122 is about 495.9948322606.

Adding to 122020122 its reverse (221020221), we get a palindrome (343040343).

Subtracting 122020122 from its reverse (221020221), we obtain a palindrome (99000099).

The spelling of 122020122 in words is "one hundred twenty-two million, twenty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 2905241 5810482 8715723 17431446 20336687 40673374 61010061 122020122