1240026 has 16 divisors (see below), whose sum is σ = 2493504. Its totient is φ = 411104.
The previous prime is 1240021. The next prime is 1240027. The reversal of 1240026 is 6200421.
It is a Curzon number.
It is a plaindrome in base 13.
It is a junction number, because it is equal to n+sod(n) for n = 1239987 and 1240014.
It is not an unprimeable number, because it can be changed into a prime (1240021) 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, 955 + ... + 1841.
It is an arithmetic number, because the mean of its divisors is an integer number (155844).
21240026 is an apocalyptic number.
1240026 is an abundant number, since it is smaller than the sum of its proper divisors (1253478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1240026 is a wasteful number, since it uses less digits than its factorization.
1240026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1125.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 1240026 is about 1113.5645468494. The cubic root of 1240026 is about 107.4344579744.
Adding to 1240026 its reverse (6200421), we get a palindrome (7440447).
The spelling of 1240026 in words is "one million, two hundred forty thousand, twenty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •