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1120013 = 1278819
BaseRepresentation
bin100010001011100001101
32002220100222
410101130031
5241320023
640001125
712343226
oct4213415
92086328
101120013
116a5534
124601a5
13302a3b
1421224d
15171cc8
hex11170d

1120013 has 4 divisors (see below), whose sum is σ = 1128960. Its totient is φ = 1111068.

The previous prime is 1120001. The next prime is 1120019. The reversal of 1120013 is 3100211.

Adding to 1120013 its reverse (3100211), we get a palindrome (4220224).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3100211 = 19163169.

It is a cyclic number.

It is not a de Polignac number, because 1120013 - 26 = 1119949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120019) 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, 4283 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (282240).

21120013 is an apocalyptic number.

It is an amenable number.

1120013 is a deficient number, since it is larger than the sum of its proper divisors (8947).

1120013 is an equidigital number, since it uses as much as digits as its factorization.

1120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8946.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1120013 is about 1058.3066663307. The cubic root of 1120013 is about 103.8502838356.

The spelling of 1120013 in words is "one million, one hundred twenty thousand, thirteen".

Divisors: 1 127 8819 1120013