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120402331121 = 269976745827
BaseRepresentation
bin111000000100010001…
…0011100010111110001
3102111210001020011001002
41300020202130113301
53433040444043441
6131151223451345
711461452633302
oct1601042342761
9374701204032
10120402331121
1147075a82486
121b4025b6b55
13b47a663a17
145b829567a9
1531ea479b9b
hex1c0889c5f1

120402331121 has 8 divisors (see below), whose sum is σ = 120864934080. Its totient is φ = 119939839888.

The previous prime is 120402331111. The next prime is 120402331171. The reversal of 120402331121 is 121133204021.

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

It is a cyclic number.

It is not a de Polignac number, because 120402331121 - 214 = 120402314737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120402331093 and 120402331102.

It is not an unprimeable number, because it can be changed into a prime (120402331111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2604410 + ... + 2650236.

It is an arithmetic number, because the mean of its divisors is an integer number (15108116760).

Almost surely, 2120402331121 is an apocalyptic number.

It is an amenable number.

120402331121 is a deficient number, since it is larger than the sum of its proper divisors (462602959).

120402331121 is an equidigital number, since it uses as much as digits as its factorization.

120402331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55863.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 120402331121 its reverse (121133204021), we get a palindrome (241535535142).

The spelling of 120402331121 in words is "one hundred twenty billion, four hundred two million, three hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 269 9767 45827 2627323 12327463 447592309 120402331121