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120141028 = 22719225829
BaseRepresentation
bin1110010100100…
…11010011100100
322101001210111201
413022103103210
5221224003103
615531012244
72656116250
oct712232344
9271053451
10120141028
11618a8807
123429a084
131bb76187
1411d55260
15a83251d
hex72934e4

120141028 has 24 divisors (see below), whose sum is σ = 252929600. Its totient is φ = 48778848.

The previous prime is 120141019. The next prime is 120141031. The reversal of 120141028 is 820141021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 120140996 and 120141014.

It is an unprimeable number.

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, 112383 + ... + 113446.

Almost surely, 2120141028 is an apocalyptic number.

It is an amenable number.

120141028 is an abundant number, since it is smaller than the sum of its proper divisors (132788572).

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

120141028 is a wasteful number, since it uses less digits than its factorization.

120141028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225859 (or 225857 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 120141028 is about 10960.8862780343. The cubic root of 120141028 is about 493.4355641965.

Adding to 120141028 its reverse (820141021), we get a palindrome (940282049).

The spelling of 120141028 in words is "one hundred twenty million, one hundred forty-one thousand, twenty-eight".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 225829 451658 903316 1580803 3161606 4290751 6323212 8581502 17163004 30035257 60070514 120141028