1641115 has 8 divisors (see below), whose sum is σ = 2250720.
Its totient is φ = 1125312.
The previous prime is 1641103. The next prime is 1641131. The reversal of 1641115 is 5111461.
Adding to 1641115 its reverse (5111461), we get a palindrome (6752576).
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 1641115 - 211 = 1639067 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1641092 and 1641101.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23410 + ... + 23479.
It is an arithmetic number, because the mean of its divisors is an integer number (281340).
21641115 is an apocalyptic number.
1641115 is a deficient number, since it is larger than the sum of its proper divisors (609605).
1641115 is an equidigital number, since it uses as much as digits as its factorization.
1641115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46901.
The product of its digits is 120, while the sum is 19.
The square root of 1641115 is about 1281.0601078794.
The cubic root of 1641115 is about 117.9540901553.
The spelling of 1641115 in words is "one million, six hundred forty-one thousand, one hundred fifteen".