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1225107 = 321337283
BaseRepresentation
bin100101011000110010011
32022020112100
410223012103
5303200412
642131443
713261512
oct4530623
92266470
101225107
11767494
124b0b83
1333b820
1423c679
15192edc
hex12b193

1225107 has 24 divisors (see below), whose sum is σ = 1964144. Its totient is φ = 730944.

The previous prime is 1225099. The next prime is 1225109. The reversal of 1225107 is 7015221.

It is not a de Polignac number, because 1225107 - 23 = 1225099 is a prime.

It is a super-2 number, since 2×12251072 = 3001774322898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1225107.

It is not an unprimeable number, because it can be changed into a prime (1225109) 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, 4188 + ... + 4470.

21225107 is an apocalyptic number.

1225107 is a deficient number, since it is larger than the sum of its proper divisors (739037).

1225107 is a wasteful number, since it uses less digits than its factorization.

1225107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1225107 is about 1106.8455176762. The cubic root of 1225107 is about 107.0018633035.

The spelling of 1225107 in words is "one million, two hundred twenty-five thousand, one hundred seven".

Divisors: 1 3 9 13 37 39 111 117 283 333 481 849 1443 2547 3679 4329 10471 11037 31413 33111 94239 136123 408369 1225107