1442103 has 16 divisors (see below), whose sum is σ = 2096640. Its totient is φ = 876384.
The previous prime is 1442087. The next prime is 1442143. The reversal of 1442103 is 3012441.
It is not a de Polignac number, because 1442103 - 24 = 1442087 is a prime.
It is a super-2 number, since 2×14421032 = 4159322125218, which contains 22 as substring.
1442103 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3838 + ... + 4196.
It is an arithmetic number, because the mean of its divisors is an integer number (131040).
21442103 is an apocalyptic number.
1442103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1442103 is a deficient number, since it is larger than the sum of its proper divisors (654537).
1442103 is a wasteful number, since it uses less digits than its factorization.
1442103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 478.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 1442103 is about 1200.8759303109. The cubic root of 1442103 is about 112.9792689147.
Adding to 1442103 its reverse (3012441), we get a palindrome (4454544).
The spelling of 1442103 in words is "one million, four hundred forty-two thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •