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1142011 = 13107821
BaseRepresentation
bin100010110110011111011
32011000112201
410112303323
5243021021
640251031
712464323
oct4266373
92130481
101142011
11710012
12470a77
1330ca60
1421a283
15178591
hex116cfb

1142011 has 8 divisors (see below), whose sum is σ = 1242864. Its totient is φ = 1043040.

The previous prime is 1142003. The next prime is 1142017. The reversal of 1142011 is 1102411.

Adding to 1142011 its reverse (1102411), we get a palindrome (2244422).

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

It is a cyclic number.

It is not a de Polignac number, because 1142011 - 23 = 1142003 is a prime.

It is a Duffinian number.

1142011 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1142017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981 + ... + 1801.

It is an arithmetic number, because the mean of its divisors is an integer number (155358).

21142011 is an apocalyptic number.

1142011 is a deficient number, since it is larger than the sum of its proper divisors (100853).

1142011 is a wasteful number, since it uses less digits than its factorization.

1142011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1142011 is about 1068.6491472883. The cubic root of 1142011 is about 104.5257828829.

The spelling of 1142011 in words is "one million, one hundred forty-two thousand, eleven".

Divisors: 1 13 107 821 1391 10673 87847 1142011