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1144121 = 11472213
BaseRepresentation
bin100010111010100111001
32011010102212
410113110321
5243102441
640304505
712503426
oct4272471
92133385
101144121
11711660
12472135
133109c4
1421ad4d
15178eeb
hex117539

1144121 has 8 divisors (see below), whose sum is σ = 1275264. Its totient is φ = 1017520.

The previous prime is 1144103. The next prime is 1144139. The reversal of 1144121 is 1214411.

It is an interprime number because it is at equal distance from previous prime (1144103) and next prime (1144139).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1144121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1144096 and 1144105.

It is not an unprimeable number, because it can be changed into a prime (1144141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 590 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (159408).

21144121 is an apocalyptic number.

1144121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1144121 is a deficient number, since it is larger than the sum of its proper divisors (131143).

1144121 is a wasteful number, since it uses less digits than its factorization.

1144121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271.

The product of its digits is 32, while the sum is 14.

The square root of 1144121 is about 1069.6359193670. The cubic root of 1144121 is about 104.5901178472.

Adding to 1144121 its reverse (1214411), we get a palindrome (2358532).

The spelling of 1144121 in words is "one million, one hundred forty-four thousand, one hundred twenty-one".

Divisors: 1 11 47 517 2213 24343 104011 1144121