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120315122 = 2136144201
BaseRepresentation
bin1110010101111…
…01110011110010
322101101122022122
413022331303302
5221300040442
615534434242
72660442644
oct712756362
9271348278
10120315122
1161a07594
1234362982
131bc074a5
1411d9c894
15a868dd2
hex72bdcf2

120315122 has 8 divisors (see below), whose sum is σ = 180609372. Its totient is φ = 60112000.

The previous prime is 120315089. The next prime is 120315127. The reversal of 120315122 is 221513021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104878081 + 15437041 = 10241^2 + 3929^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 120315122.

It is not an unprimeable number, because it can be changed into a prime (120315127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19379 + ... + 24822.

Almost surely, 2120315122 is an apocalyptic number.

120315122 is a deficient number, since it is larger than the sum of its proper divisors (60294250).

120315122 is a wasteful number, since it uses less digits than its factorization.

120315122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45564.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 120315122 is about 10968.8250054416. The cubic root of 120315122 is about 493.6737917526.

Adding to 120315122 its reverse (221513021), we get a palindrome (341828143).

The spelling of 120315122 in words is "one hundred twenty million, three hundred fifteen thousand, one hundred twenty-two".

Divisors: 1 2 1361 2722 44201 88402 60157561 120315122