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120101242 = 2193160559
BaseRepresentation
bin1110010100010…
…01100101111010
322100222202221011
413022021211322
5221221214432
615530104134
72655562252
oct712114572
9270882834
10120101242
1161880928
123427b04a
131bb61031
1411d44962
15a825847
hex728997a

120101242 has 8 divisors (see below), whose sum is σ = 189633600. Its totient is φ = 56890044.

The previous prime is 120101231. The next prime is 120101263. The reversal of 120101242 is 242101021.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1580242 + ... + 1580317.

It is an arithmetic number, because the mean of its divisors is an integer number (23704200).

Almost surely, 2120101242 is an apocalyptic number.

120101242 is a deficient number, since it is larger than the sum of its proper divisors (69532358).

120101242 is a wasteful number, since it uses less digits than its factorization.

120101242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160580.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 120101242 is about 10959.0712197704. The cubic root of 120101242 is about 493.3810893425.

Adding to 120101242 its reverse (242101021), we get a palindrome (362202263).

The spelling of 120101242 in words is "one hundred twenty million, one hundred one thousand, two hundred forty-two".

Divisors: 1 2 19 38 3160559 6321118 60050621 120101242