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120142501 = 2322392333
BaseRepresentation
bin1110010100100…
…11101010100101
322101001212112021
413022103222211
5221224030001
615531023141
72656123453
oct712235245
9271055467
10120142501
11618a9926
123429aab1
131bb76a4b
1411d559d3
15a832ba1
hex7293aa5

120142501 has 8 divisors (see below), whose sum is σ = 125475840. Its totient is φ = 114818352.

The previous prime is 120142499. The next prime is 120142513. The reversal of 120142501 is 105241021.

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 120142501 - 21 = 120142499 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 7 ways as a sum of consecutive naturals, for example, 50331 + ... + 52663.

It is an arithmetic number, because the mean of its divisors is an integer number (15684480).

Almost surely, 2120142501 is an apocalyptic number.

It is an amenable number.

120142501 is a deficient number, since it is larger than the sum of its proper divisors (5333339).

120142501 is a wasteful number, since it uses less digits than its factorization.

120142501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 120142501 is about 10960.9534712998. The cubic root of 120142501 is about 493.4375807921.

Adding to 120142501 its reverse (105241021), we get a palindrome (225383522).

The spelling of 120142501 in words is "one hundred twenty million, one hundred forty-two thousand, five hundred one".

Divisors: 1 23 2239 2333 51497 53659 5223587 120142501