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1267225 = 52173293
BaseRepresentation
bin100110101011000011001
32101101022021
410311120121
5311022400
643054441
713525351
oct4653031
92341267
101267225
117960a3
12511421
13354a4b
1424db61
151a071a
hex135619

1267225 has 12 divisors (see below), whose sum is σ = 1585836. Its totient is φ = 1004480.

The previous prime is 1267223. The next prime is 1267237. The reversal of 1267225 is 5227621.

It can be written as a sum of positive squares in 6 ways, for example, as 168921 + 1098304 = 411^2 + 1048^2 .

It is not a de Polignac number, because 1267225 - 21 = 1267223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 1 + 28 + 66 + 77 + 211 + 212 + 58 .

It is a Duffinian number.

1267225 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1267225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4179 + ... + 4471.

It is an arithmetic number, because the mean of its divisors is an integer number (132153).

21267225 is an apocalyptic number.

It is an amenable number.

1267225 is a deficient number, since it is larger than the sum of its proper divisors (318611).

1267225 is a wasteful number, since it uses less digits than its factorization.

1267225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 471 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 1267225 is about 1125.7108865068. The cubic root of 1267225 is about 108.2142807869.

The spelling of 1267225 in words is "one million, two hundred sixty-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 173 293 865 1465 4325 7325 50689 253445 1267225