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122320401 = 375824781
BaseRepresentation
bin1110100101001…
…11011000010001
322112011112001020
413102213120101
5222303223101
620045430053
73013464150
oct722473021
9275145036
10122320401
1163057145
1234b6b329
131c45a148
1412361597
15ab13136
hex74a7611

122320401 has 8 divisors (see below), whose sum is σ = 186393024. Its totient is φ = 69897360.

The previous prime is 122320399. The next prime is 122320403. The reversal of 122320401 is 104023221.

It is an interprime number because it is at equal distance from previous prime (122320399) and next prime (122320403).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122320401 - 21 = 122320399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122320403) 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, 2912370 + ... + 2912411.

It is an arithmetic number, because the mean of its divisors is an integer number (23299128).

Almost surely, 2122320401 is an apocalyptic number.

It is an amenable number.

122320401 is a deficient number, since it is larger than the sum of its proper divisors (64072623).

122320401 is an equidigital number, since it uses as much as digits as its factorization.

122320401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824791.

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

The square root of 122320401 is about 11059.8553788013. The cubic root of 122320401 is about 496.4013630956.

Adding to 122320401 its reverse (104023221), we get a palindrome (226343622).

The spelling of 122320401 in words is "one hundred twenty-two million, three hundred twenty thousand, four hundred one".

Divisors: 1 3 7 21 5824781 17474343 40773467 122320401