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1221014 = 25311519
BaseRepresentation
bin100101010000110010110
32022000220202
410222012112
5303033024
642100502
713243544
oct4520626
92260822
101221014
11764403
124aa732
133399c2
1423ad94
15191bae
hex12a196

1221014 has 8 divisors (see below), whose sum is σ = 1866240. Its totient is φ = 598936.

The previous prime is 1220993. The next prime is 1221019. The reversal of 1221014 is 4101221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1220986 and 1221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5654 + ... + 5865.

It is an arithmetic number, because the mean of its divisors is an integer number (233280).

21221014 is an apocalyptic number.

1221014 is a deficient number, since it is larger than the sum of its proper divisors (645226).

1221014 is a wasteful number, since it uses less digits than its factorization.

1221014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11574.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1221014 is about 1104.9950226132. The cubic root of 1221014 is about 106.8825683456.

Adding to 1221014 its sum of digits (11), we get a square (1221025 = 11052).

Adding to 1221014 its reverse (4101221), we get a palindrome (5322235).

The spelling of 1221014 in words is "one million, two hundred twenty-one thousand, fourteen".

Divisors: 1 2 53 106 11519 23038 610507 1221014