1249853 has 4 divisors (see below), whose sum is σ = 1363488. Its totient is φ = 1136220.

The previous prime is 1249849. The next prime is 1249861. The reversal of 1249853 is 3589421.

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.

It is a cyclic number.

It is not a de Polignac number, because 1249853 - 2² = 1249849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249873) 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, 56801 + ... + 56822.

It is an arithmetic number, because the mean of its divisors is an integer number (340872).

2^1249853 is an apocalyptic number.

It is an amenable number.

1249853 is a deficient number, since it is larger than the sum of its proper divisors (113635).

1249853 is a wasteful number, since it uses less digits than its factorization.

1249853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113634.

The product of its digits is 8640, while the sum is 32.

The square root of 1249853 is about 1117.9682464185. The cubic root of 1249853 is about 107.7175116441.

The spelling of 1249853 in words is "one million, two hundred forty-nine thousand, eight hundred fifty-three".