It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9429941 = 397 ⋅23753.
It is a cyclic number.
It is a Duffinian number.
21499249 is an apocalyptic number.
It is an amenable number.
1499249 is an equidigital number, since it uses as much as digits as its factorization.
1499249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25470.
The square root of 1499249 is about 1224.4382385404. The cubic root of 1499249 is about 114.4523170574.
The spelling of 1499249 in words is "one million, four hundred ninety-nine thousand, two hundred forty-nine".