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1220032122 = 235330712497
BaseRepresentation
bin100100010111000…
…0011011001111010
310011000201001102220
41020232003121322
54444312011442
6321021304510
742143046651
oct11056033172
93130631386
101220032122
11576749211
122a0705136
131659b93ca
14b8066198
1572195eec
hex48b8367a

1220032122 has 32 divisors (see below), whose sum is σ = 2494400832. Its totient is φ = 397672704.

The previous prime is 1220032109. The next prime is 1220032127. The reversal of 1220032122 is 2212300221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1220032127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91378 + ... + 103874.

It is an arithmetic number, because the mean of its divisors is an integer number (77950026).

Almost surely, 21220032122 is an apocalyptic number.

1220032122 is an abundant number, since it is smaller than the sum of its proper divisors (1274368710).

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

1220032122 is a wasteful number, since it uses less digits than its factorization.

1220032122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12862.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1220032122 is about 34928.9582152116. The cubic root of 1220032122 is about 1068.5391080207.

Adding to 1220032122 its reverse (2212300221), we get a palindrome (3432332343).

The spelling of 1220032122 in words is "one billion, two hundred twenty million, thirty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 53 106 159 307 318 614 921 1842 12497 16271 24994 32542 37491 48813 74982 97626 662341 1324682 1987023 3836579 3974046 7673158 11509737 23019474 203338687 406677374 610016061 1220032122