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120142301 = 1943307479
BaseRepresentation
bin1110010100100…
…11100111011101
322101001212020212
413022103213131
5221224023201
615531022205
72656123046
oct712234735
9271055225
10120142301
11618a9764
123429a965
131bb76926
1411d558cd
15a832abb
hex72939dd

120142301 has 16 divisors (see below), whose sum is σ = 130099200. Its totient is φ = 110578608.

The previous prime is 120142291. The next prime is 120142313. The reversal of 120142301 is 103241021.

It is a cyclic number.

It is not a de Polignac number, because 120142301 - 26 = 120142237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120142201) 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, 250580 + ... + 251058.

It is an arithmetic number, because the mean of its divisors is an integer number (8131200).

Almost surely, 2120142301 is an apocalyptic number.

It is an amenable number.

120142301 is a deficient number, since it is larger than the sum of its proper divisors (9956899).

120142301 is a wasteful number, since it uses less digits than its factorization.

120142301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120142301 is about 10960.9443480021. The cubic root of 120142301 is about 493.4373069851.

Adding to 120142301 its reverse (103241021), we get a palindrome (223383322).

The spelling of 120142301 in words is "one hundred twenty million, one hundred forty-two thousand, three hundred one".

Divisors: 1 19 43 307 479 817 5833 9101 13201 20597 147053 250819 391343 2794007 6323279 120142301