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1220035 = 5231032
BaseRepresentation
bin100101001110111000011
32021222120111
410221313003
5303020120
642052151
713240645
oct4516703
92258514
101220035
117636a3
124aa057
1333941b
1423a895
1519175a
hex129dc3

1220035 has 12 divisors (see below), whose sum is σ = 1542672. Its totient is φ = 924528.

The previous prime is 1220029. The next prime is 1220041. The reversal of 1220035 is 5300221.

It is an interprime number because it is at equal distance from previous prime (1220029) and next prime (1220041).

It is not a de Polignac number, because 1220035 - 23 = 1220027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1219997 and 1220024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11794 + ... + 11896.

It is an arithmetic number, because the mean of its divisors is an integer number (128556).

21220035 is an apocalyptic number.

1220035 is a deficient number, since it is larger than the sum of its proper divisors (322637).

1220035 is an equidigital number, since it uses as much as digits as its factorization.

1220035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1220035 is about 1104.5519453607. The cubic root of 1220035 is about 106.8539948232.

Adding to 1220035 its reverse (5300221), we get a palindrome (6520256).

The spelling of 1220035 in words is "one million, two hundred twenty thousand, thirty-five".

Divisors: 1 5 23 103 115 515 2369 10609 11845 53045 244007 1220035