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120126225 = 35210714969
BaseRepresentation
bin1110010100011…
…11101100010001
322101001001012110
413022033230101
5221223014400
615530415533
72656025142
oct712175421
9271031173
10120126225
116189867a
12342915a9
131bb6c50b
1411d4dac9
15a82ce50
hex728fb11

120126225 has 24 divisors (see below), whose sum is σ = 200478240. Its totient is φ = 63464320.

The previous prime is 120126221. The next prime is 120126229. The reversal of 120126225 is 522621021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120126221) and next prime (120126229).

It is not a de Polignac number, because 120126225 - 22 = 120126221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120126221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 541 + ... + 15509.

It is an arithmetic number, because the mean of its divisors is an integer number (8353260).

Almost surely, 2120126225 is an apocalyptic number.

120126225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120126225 is a deficient number, since it is larger than the sum of its proper divisors (80352015).

120126225 is a wasteful number, since it uses less digits than its factorization.

120126225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15089 (or 15084 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 120126225 is about 10960.2109924946. The cubic root of 120126225 is about 493.4152973850.

Adding to 120126225 its reverse (522621021), we get a palindrome (642747246).

The spelling of 120126225 in words is "one hundred twenty million, one hundred twenty-six thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 107 321 535 1605 2675 8025 14969 44907 74845 224535 374225 1122675 1601683 4805049 8008415 24025245 40042075 120126225