1405041 has 8 divisors (see below), whose sum is σ = 2043744. Its totient is φ = 851520.
The previous prime is 1405039. The next prime is 1405087.
1405041 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1405041 - 21 = 1405039 is a prime.
1405041 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 1405041.
It is not an unprimeable number, because it can be changed into a prime (1405141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21256 + ... + 21321.
It is an arithmetic number, because the mean of its divisors is an integer number (255468).
21405041 is an apocalyptic number.
1405041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1405041 is a deficient number, since it is larger than the sum of its proper divisors (638703).
1405041 is a wasteful number, since it uses less digits than its factorization.
1405041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42591.
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 1405041 is about 1185.3442537930. The cubic root of 1405041 is about 112.0030026831.
The spelling of 1405041 in words is "one million, four hundred five thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •