1249885 has 32 divisors (see below), whose sum is σ = 1919232. Its totient is φ = 760320.

The previous prime is 1249873. The next prime is 1249901. The reversal of 1249885 is 5889421.

It is not a de Polignac number, because 1249885 - 2⁷ = 1249757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18622 + ... + 18688.

It is an arithmetic number, because the mean of its divisors is an integer number (59976).

2^1249885 is an apocalyptic number.

It is an amenable number.

1249885 is a deficient number, since it is larger than the sum of its proper divisors (669347).

1249885 is a wasteful number, since it uses less digits than its factorization.

1249885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133.

The product of its digits is 23040, while the sum is 37.

The square root of 1249885 is about 1117.9825580035. The cubic root of 1249885 is about 107.7184309338.

The spelling of 1249885 in words is "one million, two hundred forty-nine thousand, eight hundred eighty-five".