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120112401 = 3471794759
BaseRepresentation
bin1110010100011…
…00010100010001
322101000100020110
413022030110101
5221222044101
615530231533
72655636633
oct712142421
9271010213
10120112401
1161889252
12342855a9
131bb66136
1411d48a53
15a828cd6
hex728c511

120112401 has 16 divisors (see below), whose sum is σ = 164505600. Its totient is φ = 77917008.

The previous prime is 120112387. The next prime is 120112457. The reversal of 120112401 is 104211021.

It is a happy number.

It is not a de Polignac number, because 120112401 - 26 = 120112337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120112501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22860 + ... + 27618.

It is an arithmetic number, because the mean of its divisors is an integer number (10281600).

Almost surely, 2120112401 is an apocalyptic number.

It is an amenable number.

120112401 is a deficient number, since it is larger than the sum of its proper divisors (44393199).

120112401 is a wasteful number, since it uses less digits than its factorization.

120112401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 120112401 is about 10959.5803295564. The cubic root of 120112401 is about 493.3963694206.

Adding to 120112401 its reverse (104211021), we get a palindrome (224323422).

The spelling of 120112401 in words is "one hundred twenty million, one hundred twelve thousand, four hundred one".

Divisors: 1 3 47 141 179 537 4759 8413 14277 25239 223673 671019 851861 2555583 40037467 120112401