1001249 has 4 divisors (see below), whose sum is σ = 1060164. Its totient is φ = 942336.

The previous prime is 1001237. The next prime is 1001267. The reversal of 1001249 is 9421001.

It is a happy number.

1001249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9421001 = 857 ⋅10993.

It can be written as a sum of positive squares in 2 ways, for example, as 446224 + 555025 = 668^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001249 - 2¹² = 997153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 58897 = 1001249 / (1 + 0 + 0 + 1 + 2 + 4 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29432 + ... + 29465.

It is an arithmetic number, because the mean of its divisors is an integer number (265041).

2^1001249 is an apocalyptic number.

It is an amenable number.

1001249 is a deficient number, since it is larger than the sum of its proper divisors (58915).

1001249 is an equidigital number, since it uses as much as digits as its factorization.

1001249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58914.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1001249 is about 1000.6243051216. The cubic root of 1001249 is about 100.0416160120.

The spelling of 1001249 in words is "one million, one thousand, two hundred forty-nine".